I dont think its as much of institutional lag or just deciding to do it or not. I mean we had a pilot downed, they tracked him, dropped a team in that wiped the floor with his pursuers and got out without issue.
If we can do that, I am sure can drop drones on any missile site that pops its head up or any of Iranian leadership that you know the US knows where they are at. It just depends on if we do it or not.
Iran is nearly 1/3 the size of the contiguous US. ISR has come a long way but you're still limited by the sheer geography of the country. We've lost over a billions dollars alone in drones over Iran as those are susceptible to passive air defense which they have a lot of.
Imagine basing a fleet of refueling aircraft, fighter/bombers and personnel in Hamilton, Bermuda and being responsible for missions over the entire US east of the Mississippi River. That's a rough idea of what is happening over there.