Governments can use it to get rid of people who inconvenience the State
I'm pretty sure its mostly coincidence (and skinheads/neonazi militia wanting to "train" and getting too rough for the poor alcoholic who didn't ask anything), but i the state wanted to lean on ""autodefense groups"" to get rid of a percentage of homeless, it easily could.
Three weeks later he returned to the same hospital with a relative and they admitted him. He had heart failure. The doctors admitted they their mistake the first time and should have admitted him.