[flatpointer23]

The author complains about that behavior, labeling it a sign of how 'spoiled' engineers are. The author also engages in this behavior. Pointing this out, and labelling it hypocrisy, does not constitute an ad hominem attack. Because what the author has done is the definition of hypocrisy.

[Domenic_S]

It depends on the implication of the allegation of hypocrisy. Is it intended to discredit the author or his argument? Then it's a tu quoque fallacy.

[bweitzman]

Yeah but hypocrisy doesn't take away from the point the author is making. Something can be true and also be ad hominem.

[kzhahou]

It's actually the exact definition of ad hominem tu quoque.