One can successfully oppose enemies of a free and open society without resorting to gruesomely killing them (i.e., “chopping them up”).
I guarantee you’ll wilt like a leaf if you had to chop him up. If that prospect doesn’t give you any pause, you’re a psychopath.
Once again: gruesomely killing Elon Musk isn’t a viable, practical, nor moral solution to preventing his dismantling of our federal republic.
To answer your “straw-man” question and play your game: wildcat or general strike, armed revolution, or insurgency. Striking is the solution with the least potential bloodshed.
Good luck trying cut up Musk with a machete or trying to fight the US military domestically which uses Predator drones armed with Hellfire missiles, not to mention fifth generation multi-role fighter aircraft and Apache gunships. Even if you succeed getting to him and chopping him up, guess what? You’re still a psychopath because only psychopaths willingly dismember people.