Right, I'd be sympathetic to this liability argument if they weren't extracting profits and neglecting maintenance. Obviously the fire issue is bigger than a single utility, but their actions here leave them little public good will.
PG&E is a company with owners and while you may not like it you can't just take other peoples' property.
There are appropriate venues to vent your frustration. There is judicial system where you can go and defend your own rights if you feel PG&E stepped on it. You can go and vote for somebody to step up and solve the problem. You can also make other people aware of the problem by using your right to free speech.
The educational system has failed you if you never learned about this. Anticipating your next objection: no, public education is also not Communism.
Communism, by numerous well-attested examples, means exterminating millions of citizens for no offense but existing. I don't find anyone proposing that. Here.