And I can do what to change what happens after I'm gone?
Not a damn thing. So it don't befront me.
You wouldn't be able to change it even if you lived forever. It's like trying to fight the tide. It's a completely futile effort.
YOur assumption that your view of the future is inevitable, is just that, a self serving assumption on your part.
Based on what we understand it seems to be the case that given enough time humanity will homogenize into one skin color. It's more than an assumption.
Two nice qualifiers there. "Based on what we understand" and "given enough time".
Also, you continue to pretend that there is no difference forever, and now/near future/mid term future, ect.