How much were you willing to pay? Still, rude of them not to even discuss the issue. Every time I've gone to buy data, if I'm too small of a fish, vendors have always been happy refer me to a reseller.
Certainly rude but also possibly legally problematic. If they were judged to be in a dominant position in a market and were found making deals with exclusivity then it can get expensive.
It all depends of course what the market is. If one looks as reddit not as a whole but as a collection of niches then one could imho find niches where reddit has a dominant knowledge position.
We do 4-6 figures/yr for providers which is normal in our world
An enterprise sales team with only 1 customer happens (eg, Mozilla 's search bar), but... That's surprising here, and scary as a sustainable & scalable business. Ignoring 5-6 figure/yr inquiries says a lot to me. In contrast, we did that same-day with Twitter without talking to anyone.