It's no big deal. I use Proton VPN just for porn.
Proton uses Cloudflare
The VPN traffic, which sees your real home IP (and packet size and timing), flows through Cloudflare to Proton.
This is an undeniable conflict of interest, because the websites you're hiding from are also on Cloudflare.
In this epic meme slide show "article" with humor, we quickly present the critical facts you need to know,
https://simplifiedprivacy.com/proton-vpn-and-mail-use-cloudflare/outright-negligent-harm.html
If you care about freedom tech, please share my words. Because "giving a shit" is the only way things will ever change.
