SteveC
Doing the best imitation of myself
The way things work in Pathfinder, making three attacks is normally not the best option. For those who don't use it, for each attack after the first, you take a -5 penalty (typically, some weapons are a bit better) so it's unlikely you're going to hit with that third attack. Pathfinder also has stuff to do that isn't attacking that's just not in D&D so there typically is stuff to do on your turn.And this is why I don't think a 3 action economy improves things or an action + lesser action economy . No matter what action economy gets set up, you're going to have players who want to use ALL of them as often as they can. If they don't, it's like leaving money on the table. Nobody wants to do that. Hence, everyone in combat makes sure to make their multiple attacks in PF2, even if the growing penalty makes it unlikely for the 2nd and even 3rd attacks to hit.
I'm playing a Rogue at the moment, and I find my turns go pretty quickly and I had to think about that third action since I didn't want to hope for a 20 on the third attack.