As someone familiar with LBT's mailing list rhetoric since the early days, I'm guessing a big part of what's happening here is that LBT hasn't changed the way he communicates but the rest of the world has moved on. And let's face it, the engineering and programming world has gotten a lot more politically correct—I think the main factor driving this is the increasing presence of women in technology. What I mean is tha…
Linking it to "PC" or "women" I think sort of undermines it on a larger level. To take part in opensource, especially a big project like Linux you have to be willing to put yourself out there a little bit. You have to put in some work, and then put something out there to possibly (probably?) be crapped on by people you respect. They might love it and merge it, they might hate it and tell you why, they might come back…
That isn't entirely correct, because you contributed nothing. He (kind of) made fun of your attempted contribution. What else could he do?
He could tell you in sterile, technical language that zeroing pages is done for security reasons. You'd probably perceive that as condescending. He could instead ignore you. That wouldn't be nice, either.
If you were Linus, how would you handle your not-quite-contribution?