It's complicated evicting delinquent owners - chicagotribune.com:
"Illinois is the only state that gives associations the remedy of temporary possession to satisfy judgments against owners who are in arrears. Associations in other states typically initiate foreclosure proceedings and are awarded permanent possession of the unit. "We have a more humane way of doing things," Fullett said. "It's also a faster, less-expensive procedure than a foreclosure."
As Sean Connery said in The Untouchables, "It's the Chicago way."