Some will hail this as a positive development -- dirty, criminal-nuisance slackers ousted, public safe to walk the streets and do business again. Others will decry this as evidence of callousness and political spinelessness. Either way, consider previous dispersals of protesters, and the way conduct on either side aided the causes of that side -- for example:
Boston Massacre, 1769 (edited from Wikipedia) -- an incident that helped pave the way for the American Revolution.
Boston, capital of the Massachusetts Bay Colony, was a major source of resistance to unpopular acts of taxation by the British Parliament in the 1760s. Particularly unpopular were the Townshend Acts of 1768, by which a variety of common items that were only manufactured in Britain and exported to the colonies were subjected to import tariffs. The Massachusetts House of Representatives began a campaign against the Townshend Acts by sending a petition to King George III asking for their repeal. The House also sent what became known as the Massachusetts Circular Letter to the other colonial assemblies, asking them to join the resistance movement, and called for a boycott of merchants importing the affected goods. In April 1768 Lord Hillsborough, recently appointed to the newly created office of Colonial Secretary, responded with a letter to the colonial governors in America, instructing them to dissolve the colonial assemblies if they acted according to the Massachusetts Circular Letter. Boston's chief customs officer, Charles Paxton, wrote to Hillsborough, asking for military support. Commodore Samuel Hood, commander in chief of the Royal navy’s north American Station, responded by sending the fifty-gun warship HMS Romney to Boston. Its captain soon began impressing local citizens into the Navy. In early June customs officials seized a sloop owned by leading Boston merchant John Hancock, on allegations that the ship had been involved in smuggling. Together these created conditions for a riot. Hillsborough called upon General Thomas Gage for further military support; four regiments of troops arrived in October 1768. Two regiments were removed in 1769.
Tensions rose again in 1770 after Christopher Seidler, "a young lad about eleven Years of Age", was killed by a customs employee in February of that year. The killing and subsequent propaganda inflamed tensions, with gangs of colonists looking for soldiers to harass, and soldiers also on occasion looking for confrontation.
On the evening of March 5, insults and a few blows were exchanged between a British sentry on duty outside Boston’s Custom-House and an apprentice and a few young men. As the evening progressed, a crowd grew around them. Church bells were rung, which usually signified a fire, bringing more people out. Over fifty of the Bostonian townspeople gathered, throwing things at the sentry and challenging him to fire his weapon. The sentry sought assistance from the troops in town; runners alerted the nearby barracks. Captain Preston, officer of the watch, dispatched a non-commissioned officer and seven or eight armed soldiers to the sentry’s aid. When they reached the Custom-House, the soldiers loaded their muskets, and arrayed themselves in a semicircular formation. Preston shouted at the crowd to disperse, but without success. The crowd pressed around the soldiers, taunting them by yelling "Fire", and by throwing snow balls and other small objects at them. An object struck one of the soldiers, knocking him down and causing him to drop his musket. He recovered his weapon, and, angrily shouting "Damn you, fire!", discharged it into the crowd. A scuffle broke out near Preston, and the soldiers fired on their own into the crowd. Eleven men were hit; three died instantly. The crowd moved away from the Custom-House, but continued to grow in nearby streets. Captain Preston called out one of his regiments, which adopted defensive positions in front of the nearby State House. Acting Governor Hutchinson was summoned to the scene, and was forced by the actions of the crowd into the council chamber of the State House. From its balcony he was able to minimally restore order, promising that there would be a fair inquiry into the shootings if the crowd dispersed.