Hogwash and virtue signalling.
See above.
Well, the "Eugenics
Movement" took the position that the actions were "genetically based" AND "genetically correctable".
They were not "stupid" people, but they were working from ignorance and false (but not known at the time to be false) postulates.
Nope, it is HOW "inferior" is defined that does that AND it doesn't make the "Eugenics
Movement" (or its members) "evil" - it makes them ill informed.
When you hold out for "genetic equality", ask yourself this question "Would you prefer to see society's members descended from
[1] a group of individuals with IQs of 50 that also suffered from congenital debilitating medical conditions
or from
[2] a group of individuals with IQs of 120 who had no congenital debilitating medical conditions at all?".
If you say "Hey, doesn't matter because they are all "genetically equal" then you are either being dishonest or you are deluding yourself.
Now where I have a real issue with the "Eugenics
Movement" (under whatever name it chooses to operate [and that includes BOTH "White Supremacy" and "Black Supremacy"]) is that they have absolutely no solid evidence to base their definitions of "superior" and "inferior" on.
In short, the "Eugenics
Movement" is
theoretically a "good idea" but one that is totally (at present [and, hopefully, for the next several millennia]) incapable of being applied in any solid, fact based, rational, manner. That, of course, takes the "Eugenics
Movement" well out of the
actually a "good idea" category.