Every webprovider or server in the EU is forced to reveal datas of an user because an court order in a criminal investigation, with even the risk that the service will be closed, apart of high fines if they don't. If you are an criminal, it's better to message with paper and pen, otherwise they'll find you, independent which online service you use.

They won't go to jail, period. No company owners never go to jail, kinda ever.

That's absolutely not true. Sure, there are lots of cases where individuals have limited personal liability under their company, but this doesn't mean no-one goes to jail for illegal business activity. In fact it happens all the time.

Also still in the blog everything is words and very opaque like " We do this not only through technology and advocacy (Proton has contributed over $500,000 toward defending these values around the world)" : like where, what, when?

Should they always go into a downward spiral and explain everything they did? Check out the Proton Christmas fundraisers, that's what they are talking about

There was no legal possibility to resist or fight this particular request." : I doubt very much unless Switzerland is a dictatorship in disguise.

No legal system in the world allows you to fight everything all the time. Get to reality.

Switzerland generally will not assist prosecutions from countries without fair justice systems." : clearly not.

Wasn't that case in France? Don't remember exactly. Not sure if you're calling France to have unfair justice systems, but then you should probably look for a new planet, because nothing is 100% fair unfortunately.

You can still distinguish between very bad, kind of bad, okayish, and mostly good.