It's Russias way to keep the soviet legacy intact and justify it's war of aggression to "denazify" Ukraine. There is a huge cultural shift of breaking off any remnants of Soviet "glory" in the country. Sadly it's hidden behind a lot of valid points, that would explain the abstain votes.

5. Expresses deep concern about increased frequency of attempts and activities intended to desecrate or demolish monuments erected in remembrance of those who fought against Nazism during the Second World War, as well as to unlawfully exhume or remove the remains of such persons, and in this regard urges States to fully comply with their relevant obligations, inter alia, under article 34 of Additional Protocol I to the Geneva Conventions of 194