[anamexis]

> how much do the exceptions contribute to the discussion?

A fair amount, if the number of exceptions are such that the rule of thumb isn't useful.

[fknorangesite]

Do you know what "rule of thumb" means? Did you think you were being helpful?

[anamexis]

> Do you know what "rule of thumb" means?

A broadly accurate guide or principle. If there are enough exceptions that it is not broadly accurate, it's not a good rule of thumb.

> Did you think you were being helpful?

By doing what?

[handoflixue]

I really don't think the 5 provided examples do much - I can't even imagine how "Katz deli in NYC" would be a useful data point at all.