I mean best is USSR’s 1965 Triumph Over Violence, directed by Romm

Positive attitude towards billionaire philanthropists. First, they made a fortune on the result of labor alienated from workers, then they threw a pitch and became good guys

I recommend read him very attentively. The author is young, without a coherent picture of the world, in the middle of metro 2033 it turns into a hodgepodge of contradictions.

One of the most complex soviet scifi author is Ivan Efremov, i can recommend The bull’s hour