Why should he be less snarky? After all, the tech industry supposedly loves straight-talking engineers like Linus Torvalds who don't beat around the bush and tell people bluntly why they're wrong - so much so that we even let them get away with gratuitous personal insults and misguided arguments.
Whenever a geek says how much he loves unvarnished communcation, what he means is that he loves sending it - the same people regularly hit the roof when they receive it.