Beyond jamming, I imagine some kind of autonomous laser system could also be pretty effective at downing large numbers of drones within a given radius.
Now imagine that but with a shotgun shooting bird/buck shot at decent ROF. Way better. The problem with any point defense system is radiating any energy makes you a big target. So you would want a passive (EO/IR?) or triggered active/passive system.
I don't think western common folks grok how depraved that country is in terms of doing good work, reward systems for such and corruption on every single level. puttin' built a mafia state and pushed this behavior from top->bottom, and these are side effects. Not some soviet competence and discipline, which wasn't stellar either but light years ahead of current state.