I have used postmates before, but don't understand how Uber Eats won't make them go out of the business. They are adding ton of new places which were not availa

I have used postmates before, but don't understand how Uber Eats won't make them go out of the business. They are adding ton of new places which were not available on Seamless(NYC) and the delivery is going to be faster on UberEats.