I'm not pissed at you, because this isn't important enough to be as salty as you are, but I've been writing code for about 25 years (about 10 professionally) across a wide array of low- and high-level fields. I'm very good at writing code and building systems and I can't reverse a linked list offhand. I understand linked lists and I understand their storage and runtime characteristics, and I could figure reversing the list out given a minute to think, but I'd have to go figure out how to do it on-the-spot because I have never needed to write one from memory in my life at any level. Google exists.

Your post is uncharitable and kind of mean.