I have been using for the past month. I am not a power user, I mostly use it when I need to access libgen. Previously, I was using nordvpn. I feel proton is faster both when connecting to a server but also the connection is faster/more reliable. For example, if I forget to turn it off, I can watch a yt video without any issues.
I have setup a rustdesk server with docker, it was surprisingly easy to get started. It was for a friend who is managing the IT services of a small factory, the completely switched from TeamViewer and they are satisfied. More importantly their users, who are worse than your average windows user, found the transition relatively painless.