Can a RKG-3 in the right situation knock out some armor, definitely. But they don’t seem to be that effective vs amor designed to deal with shaped charges such as you’d see with a peer adversary.
https://en.wikipedia.org/wiki/Top-attack
The KF51 Panther revealed 2022 should represent the current state of the art. comprising a hard-kill element of extending the coverage of the ADS to the roof of the vehicle for protection against ATGMs and unguided anti-tank rockets launched from higher elevations, as well as a soft-kill element for protection against threats such as loitering munitions.[4] https://en.wikipedia.org/wiki/Panther_KF51
Obviously getting 100% accurate information on current tank armor isn’t realistic but at minimum these drones aren’t breaking new ground.