> Website hosted in US publishing truth about Ukraine war - even calling it a war is already a felony in Russia - is it legal or illegal?

That's illegal in Russia. Russia has fined Google more money than exists in the world. It doesn't mean anything, but you bet the CEO of Google isn't going to visit Russia. Russia can choose to block any websites that hurt their feelings. Much like the UK and 4Chan.

> what if our plane has to make an emergency landing in Riyadh ...

Then you hope to God that the people with the bone saws don't read hackernews.