> I would actually argue that Jamstack has won to the point of basically just being "Modern Web Development" by now.

Don't you think there might be just a little bit of hubris creeping in here? JAMSTACK is such a niche/fringe it's not worth talking about. I'm a solo dev and network with many others. I don't think I've ever heard JAMSTACK mentioned let alone adopted. You're living in a self-generated bubble.