It's a fair point to raise isn't it.
Yes, stereotyping is acceptable when it is in 'positive' not 'negative' form' but that's human nature, people only want to hear nice things.
I think stereotyping is quite a normal human reaction,. How many times do you hear the term 'Don't tell a book by it's cover'.
The link is good natured, humorous stereotyping and how any offence or negativity could be applied to it goes over my head to be honest. Not that the OP was remotely trying to imply in either direction it was negative, or positive, it was a general question asked which is interesting.
What's the worst sandwich filling?
Burnham to tell schools in England to adapt teaching to local business needs- what do you think?


Sweeping generalisation which is as just bad as the opposite to me.