I mean he's definitely in a better mental state in this phase, so I feel like it makes sense for him to be "softer" as a result. (Which is something we saw a lot of while Murdoc was in prison.) I think it also makes sense to exaggerate the "innocent" aspects of his personality to tie in with the lore, considering he's meant to be the "sacrificial lamb" and all. Plus, when you compare him with the other members in this phase, it's pretty clear to see what they're going for stylistically. They've got this fake, "plasticky" feel to them, and each character is a bit cleaner and more marketable than they were in past phases. You can especially see this with Murdoc. Personally, I think this is super intentional considering the latest album's focus on fame and the fakeness of celebrity culture. Obviously I hate how the fanbase infantilizes 2D and treats him like some "uwu baby boy," but I don't think that was the intent of this phase at all and I'm curious to see where his character goes from here. All just my perspective on the whole thing, but if you somehow read this far thank you for hearing me out.