(Using four spaces and long lines makes those lines unreadable on mobile.)
> Oh god, this plane has <security vulnerability>. That does not make me feel safe. What if someone did <bad thing>? D:
No! There are plenty of examples of people who stumbled over a security vulnerability, and who responsibly, confidentially, reported those vulns to the companies, and who then faced scary legal action.
I agree that the actions taken against him are far too severe; and that there should be a way for people to talk about security flaws without facing this level of harassment.
On the other hand, maybe this would go down better: