Does anyone really know who is behind proton, its not a honey pot?
They seem pretty open about who they are and what they're doing:
https://protonmail.com/aboutMost of that information should be easily verifiable.
What is a "honey pot" company?
Like a scammer or something like that?
Certainly they aren't trying to scam anyone. THey may be behind schedule for some things like a calendar a proper bridge, but they are honest people working on a successful project.