This has been going on since the early 2000s, even earlier in development. I interned for one of the companies that worked on one of the subsystems for the ancestor of the Reaper in the late 90a. At the time, the system had no weapons (that I knew of) only a video feed. Later on the Hellfire system was added.
But I feel that any tech we’ve had the Russians have known about from their “sources” in Iraq/ Syria / Afghanistan for quite some time.
And the scenarios where we would hit something inside Russians birder with a drone or anything else are pretty frightening