I expect primary targets to be areas with the classically-homeless encamping and crapping on sidewalks. But law-abiding houseless folk could get caught in the net where local hardliners feel emboldened by the EO. As the saying goes “It’s not your fault but it’s your problem”.
Reminder: I maintain a list of cities with laws that affect vehicle dwellers.
That is a lengthy EO. Definitely designed to round up people as opposed to helping them.