I think Louis and Zayn have had more contact and reconciled more than we’ve been led to believe and they’re (rightfully!) protecting their privacy to work through whatever they need to without media scrutiny.

As for Ziam, I don’t know. I feel like Liam probably came down more on Zayn’s side. especially given his own struggles, I can see him relating more to Zayn’s choices than the rest. I don’t think Niam were ever close, but I don’t think Niall took kindly to the split.

Harry isn’t a fucking infant. He’s a grown adult whose high-profile manager’s involvement in his career does not, in fact, reflect on his character.  His “outbursts” in interviews were deliberate and comedic. As he said himself, the topic of Zayn was extremely tense and, for the sake of the other boys, he took it on himself to joke about it, be a bit of a brat about it, and just give people what they wanted and expected so that the conversation wouldn’t start to cut close to the bone. 

Harry has always always always prized treating people well and conducting himself professionally. More recent interviews have revealed a deep fear of ruining not just his career, but everyone else’s careers. Being closeted, he sacrificed a lot for that band. I believe that seeing Zayn up and walk away like he did hurt Harry personally, because he took responsibility for the band so personally.

From Harry’s perspective, if he even just stepped a little bit out of line, he was jeopardizing 4 other people’s careers, plus all of the folks who worked for the band. And he wasn’t willing to do that. But Zayn was willing to completely abandon everyone. That would be hard for Harry to forgive, and I think he still hasn’t, totally. I also believe that whatever happened with Zayn was a betrayal of Louis who really did hold the band together, and while Louis was hurt and sad, Harry was doubly angry with Zayn for hurting Louis like that.  

Another thing is that Harry tends to blame himself when things go wrong. (Again, because he takes personal responsibility very seriously.) Notice how he talks about frustrations when you’re wrong about someone and wishing he could just ask a friend are you okay? one more time.  He’s not angry in these cases about what someone else did or what circumstances led them to it. No, he’s highly self-critical and takes these things personally. 

Harry blames himself for not seeing what Zayn was hiding, he blames himself for getting Louis hurt, and he blames himself for jeopardizing their careers almost as much as he blames Zayn. But he’s angry with Zayn for betraying his trust and not making his needs known. And angry with Zayn for taking what Harry fought very hard to choose not to take for himself. Angry with Zayn for choosing himself over OT4. 

Absolutely none of that is being a “nightmare” or a “baby”. Idk how to tell you this but if you really believe those things about Harry, you don’t love him. Those are horrible and insulting things to believe about anyone, much less someone you barely know and have never worked with. Harry is a professional, mature, emotionally intelligent adult. He has strong values, especially loyalty. The way you judge him is uncharitable and unkind. 

Zayn leaving was a complex situation we know very little about. I think everyone in ot5  is entitled to their feelings about the split. That doesn’t change the fact that there is a mature and respectful way to conduct yourself even when you are in crisis. It seems pretty evident Zayn didn’t do that. And that’s okay, because we don’t always have the tools we need to do things right. But that doesn’t mean your own suffering justifies your wrongs. It doesn’t exempt you from your responsibilities. I’m not sure Zayn has come to terms with that enough to really reach an understanding with Harry. I’m sure from Zayn’s perspective, Harry doesn’t care enough about him. He probably struggles to understand why Harry could be so angry at him for doing what he needed.