These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Except the adults, of course, and as of episode 2.11, Zack.
Rewatch Bonus: After Mr. Administrator's true intentions were revealed, it can clearly be seen that it was what he was trying to do the whole two seasons.
Unfortunate Implications: Umphrey is the only non-white character to appear on the show so far. He's also a villain...or at least seems to be one. He's only evil in his Fake Brit persona; once he sheds that he seems to be just a regular Joe who wanted to make a quick buck.
And his revelation that he feels that pretty girls he likes won't like him.
Tom is a Jerkass Woobie. While he is an ass to everyone, and his excuse for being so is... weak, when he actually admits why he struggles, he shows a scared side. Especially obvious in Romantic False Lead when Tom's reasons for loving Porn Girl is that she doesn't threaten, scare or hurt him.
Gaelyn. She has a crush on Zack, and he completely misses the point and thinks they should be best friends. You can tell she's a bit disappointed.
Dave at the end of S2E2. He thought Gaelyn's message for Zack was for him. Cut to him standing outside, waiting for her with flowers, looking very disappointed. Aww.