Bakugou had been with the villains for two to three days depending in the timing and we the audience are never shown his parents being worried about him beyond the “you’re not supposed to be outside” line
Bakugou reminds me of millennials who have trouble believing people when they say nice things because they’re used to hollow praise and immediately don’t trust it. So like he’s hungry not for more praise but indisputable proof that he’s as good as people say he is.
“The American Academy of Pediatrics says adults caring for children should not spank, threaten, insult or humiliate them. The statement goes on to describe how several studies have found associations between spanking and aggressive child behavior, depressive symptoms in adolescence and less gray matter in children’s brains, among other outcomes.”
But go ahead, tell me Mitsuki doesn't abuse Katsuki.