From what I am seeing in the linked material, the author saw something that made his mind generate the sensational 'news'. Without bothering to check whether it

From what I am seeing in the linked material, the author saw something that made his mind generate the sensational 'news'. Without bothering to check whether it's true or false he posted the generated conjecture as a fact and now is trying to defend the indefensible by attacking ProtonMail instead of posting the clarifications and apologizing. In other words, pretty much the definition of fake news.