If it's OK to assume that Jeff Dean cannot understand certain things because of his ethnicity, is it also OK to assume that people of other ethnicities cannot do or understand certain things? Is this the kind of culture we should be encouraging?
> coming from (I also presume) at least a middle-class family
?
That's quite a lot of presumptions.
I note in passing the asymmetry of the use of homo and hetero – the former is offensive, the latter is informal, interesting no? How'd that come about?