The “dude” is also probably working under an insane amount of pressure and being made to feel like he is somehow responsible or at fault for the whole situation. Best not to make it personal from the peanut gallery.
Where did you got single-handedly from? Of course multiple people cooperate on those patches. That is it was possible for Linus Torwalds to join their discussion, it would all be much less public if only one institution or person worked on it.
That's a very uncharitable interpretation of your parent comment, which was simply pointing out his connection and history with Intel.