We ran out of good names years ago. Then Java came along and we used up all the words beginning with J. Then the dotcom years scooped up all the domain names and all the twsted up wrds like flickr. Then npm took all the variationsofpunctuation, varations-of-punctuation and variations_of_punctuation. Now there are no virgin words left in the English speaking world.

TBH, I'm amazed that Proton wasn't already taken.

I think it's even funnier that ProtonDB already exists and has nothing to do with this: https://www.protondb.com/.