I work with a lot of engineers of all backgrounds, and no group has been without bad apples.
> But this argument that there are floods of under qualified minorities and women engineers getting jobs is hilarious.
You are misrepresenting the argument. The argument is that there is explicit discrimination in the hiring and promotion process which comes at the cost of equal opportunity.
In addition to this the people that experience this or feel this is unfair say they have experienced illegal retaliation when bringing this up. I personally experienced such retaliation.