To me, this is a sign that the local resistance to ICE is effective. They need to waste resources in overstaffing a single city just to beat the obstacles being set up
I think it's also a factor that Minneapolis has George Floyd still fresh on the mind. We're still emotionally recovering from that instance of state violence
Going on strike is a federally protected action. Anyone can join a strike. What's illegal is secondary strikes, which still happens all the time because unions know how to work around those capitalist laws
They've been using rentals too