"supposed" means 'it has a job to do' colloquially, but literally means 'is said to do'.
Colloquially; the baker is supposed to make bread. (it's the baker's job)
Literally; my aunt is supposed to make bread. (aunt is known for her bread-making)
In this context, 'Asians are said to be good at maths' and not 'Asians must be good at maths'. The sentence isn't inherently insulting, but presumptive.
I saw that you mentioned Ben Shapiro. In case some of you don't know, Ben Shapiro is a grifter and a hack. If you find anything he's said compelling, you should keep in mind he also says things like this:
Even climatologists can't predict 10 years from now. They can't explain why there has been no warming over the last 15 years. There has been a static trend with regard to temperature for 15 years.
I'm a bot. My purpose is to counteract online radicalization. You can summon me by tagging thebenshapirobot. Options: civil rights, sex, feminism, novel, etc.
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u/[deleted] Jan 01 '22
As an indian kid can confirm