The cybertruck demo units are making the circuit and auto reporters are mocking it, mostly.

The union busting isn't as easy to summarize since it's happening in lots of Musk's operations around the world, but TL;DR he's an arrogant, anti-labour asshole who's likely breaking laws but mostly getting away with it (for now). Or at least that's my limited understanding; I don't follow it very closely.

Musk is also a hateful anti-trans bigot. Not related to this at all, but I think people should be reminded about his encouraging anti-trans hate speech on Twitter.