I'm pretty sure that's not the problem, because I can't open spoilers on pages that I used to be able to as soon as the webpage was done rendering.
Found the problem. Turns out some malware/adware was interfering with Chrome capabilities to open the spoilers
Double Kick. At this point of the game, double kick does no DAMAGE. It's a waste of a move slot honestly. Especially compared to bounce, since it covers one of Diggersby's weaknesses.
Hm. That's a tough decision, but I'd have to say Florinia. She's the only gym leader that countered my strategy. Samson too. I had to grind for hours to be able to beat him. Piece of shite.