What does OpenPGP bring there? At least GnuPG has the benefit of being a tool that's present on many system and which is capable of verifying signatures.
If you're not using GnuPG, you can pick any format you want! What does OpenPGP add? Everything I can think of is a negative.
Right, so why talk about the standard when you mean, specifically, GnuPG?
If you want an explanation of why GnuPG is dangerous for anything besides email, let me know. But parent post was very specifically NOT about GnuPG- it was about OpenPGP.
If you're not using GnuPG, you can pick any format you want! What does OpenPGP add? Everything I can think of is a negative.