Apple does not compete on checkboxes. If they deemed is necessary to remove, there’s a reason. Not saying I agree, just that’s how they operate. If there isn’t a need to support 3 displays then they won’t, regardless if the “competition” did it years prior.
The longer battery life is genuinely useful to a wide range of people in a way that being able to connect 38 external monitors is not.
I recently went on a 5-day trip and forgot to bring the charger for my M2. The first day I thought I'd have to rush around and find one. By the fourth day I still had 8% and then finally realized I could charge it via USB-C instead of magsafe.