So far Russian Armed forces still didn't shut down all the 404 aircraft defense. 30 years old at least. With no proper maintenance.
So ukrops don't face precise bombings from stratosphere so far.
Look at my hands now. If a hi-tech Russian military didn't completely destroy a 404 aircraft defense, all their Soviet hi-tech, in 7 weeks - what do you expect if you attack Russians? Sit on your ass and cry? As Euros usually do?