Perhaps if it was in a vacuum but musk has openly shared Nazi propaganda on his social media site that he bought. The ADL is an organization I don’t trust

I’ve used mullvad before and it was a great experience. As far as anonymity goes, I don’t think you can do any better than mullvad where you even have privacy friendly payment options. That said, I haven’t used proton VPN so I’m not sure how they compare feature-wise