Any opinions on ProtonVPN? I use it now more or less everywhere. No problems with it - it's fast enough (though definitely slows down my connection from about

Any opinions on ProtonVPN? I use it now more or less everywhere. No problems with it - it's fast enough (though definitely slows down my connection from about 12 to 16Mb/s to about 5 to 10 Mb/s. I chose it b/c the organization behind it seems trustworthy. I don't know what the author has in mind when he labels the billing practice "shady".