> their strategy has been reduced to "run towards the enemy and hopefully some of you won't be killed and thus we can capture another field"?

Is this seriously the depth of your understanding of Russian tactics (what you described isn't a strategy to begin with...). I recommend watching every tactical analysis video on Mark Tacacs YT channel (he's a NATO military officer, not some pro-RU source):

https://www.youtube.com/@MarkTakacs-u1w