I use Proton, but it's free so we're the product, I hear all Proton vpn traffic goes through a centralised service, so it's technically not fully private.....apparently
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they have a paid tier. it's supposed to be faster.
Just ai'd it, apparently Proton uses cloudflare to route vpn traffic in circumstances where their own servers are unavailable, so ultimately as calle said. Mullvad is the way