This is very oversimplified view on what happens and thus provides wrong solution.
I would recommend you to watch this interview https://youtu.be/6xIeLJGcpfU. Alexander Shtefanov is not
Welcomed by bot Ukrainians and Russian “patriots” because he reveals truth unpleasant for both sides
Could you summarize it in 2-3 sentences? The video is 3 hours long...
EDIT: I couldn't resist and started watching, it's really interesting. The guy also reflect the change I saw in many young Russians. (Dying for Zhukov's statue was especially funny...)