No worries. As mentioned, I trust Proton at the moment because they are regularly audited, and as far as I know, the audits have always upheld the claims Proton has for things like no logging, actual e2ee encryption on their emails, etc…
That doesn’t mean I like or agree with Yen’s comments, but the truth is, there is no ethical consumption in capitalism. I could switch to some other vpn and a different mail server, but it’s likely to just be another problematic company with problematic people.
I’ve been using Joplin for years. I self host Joplin server for sync as well. Join does support offline use. Each device has a local copy of the notes and if you’re offline you can use the app to access and edit existing notes as well as creating new ones. When you regain a connection the sync will automatically update the notes and those updates will proliferate to any other devices with Joplin