@imadoathing I think this works because many readers did started reading this during middle school. It's carrying some nostalgia feelings and sense off ending. If this wasn't a 10+ years series it would be really bad.
Her chadness is so great that she looks cool even when shoving a guy's face on her boobs. I can see this scene playing the same way even if she was a guy.
Tadano is the average. So if the norm is that evryone can see that Komi-san likes him than he can see it too. The true path is making everyone think that they should be a couple.
Looking at this chapter Clara did tone down her games. They did became a legit ofensive ability but overall they did get toned down. Getting friends was good for her.