All of the current conflicts (russia / ukraine, us / iran) would consider drones as a nuisance if:

#1. For russia / ukraine neither side has air superiority. If one side had it, they could be obliterating the other side with a constant stream of 500 lb gravity bombs. Each of which has more explosives than 100 drones.

#2. For us / iran, the US is unwilling to risk any pilots. And iran has some air defenses in place. The US could drop bombs from up close, gravity mk-82's and jdams every hour for months. Currently they are using standoff weapons which are either minimally effective (drones) or crazy expensive (Tomohawk, Standard Missile, etc.)

One B1 gets shot down, and 4 crew get paraded around in downtown Tehran, and what little support trump has will vanish.

What am I trying to say? Drones have a place. They don't obsolete anything. The key is to have the weapons available to meet the time in which they are needed.