There's a lot of context missing here. Russia does as well as Ukraine in STEM fields and that is because of the Soviet Union making education cheap and accessible, not anything Ukraine specifically did.

Are you sure that Ukrainians are the same ethnicity?

Are you sure that Ukrainians share the same values about religion and human rights as western europe?

>usually comes from importing people from countries with a long history of extreme poverty, crime, civil wars, LGBT & human rights abuse, poor education and religious fanatism.

You could use this exact sentence to describe many regions behind the iron curtain, Ukraine included. It's really telling how many people here are willing to bend over backwards to paint Ukraine as a progressive, "Western compatible" country all the while pretending that there is zero racism in these attitudes.