
Because they were beaten so hard, even at the level of front-line soldiers,
To some extent, tactics against anti-drones have been established.
Also, I wonder if the drone sent there is encrypted and cannot be tracked.
If you use a regular wireless commercial drone
It picks up the location radio waves to control the drone.
From mortars to howitzer shells shaking hands

If you rush in ignorance, you will get jammed and fall out.
These days, we track radio waves rather than jamming.
The bombardment method worked better.

The price is similar to that of missiles.

It is too much of an assessment to call drones obsolete.
The good news is that our military also understands that well.
We are researching ways to use drones in various fields.