I see no reason why a productive city with a high-earning, tax-paying population won't be able to pay police officers, firefighters, nurses, etc. as much as the

I see no reason why a productive city with a high-earning, tax-paying population won't be able to pay police officers, firefighters, nurses, etc. as much as they need to be paid in order to do their important jobs well. I don't see why artists who do important work e.g. for Apple won't be paid well too.