Ad numbers are reported in the form of impressions, and clicks for said impressions.

The ad tracking code doesn’t load on JSON gets, so it would be pretty damn obvious

They can’t sell any ads on views that come from redlib, because redlib gets the JSON for any requested page and generates its own UI based on that.

Any traffic to redlib is net negative for Reddit, which is partially why they put in so much effort in blocking it. (The effort is mostly to prevent scrapers wanting to train AI so that they can sell this data instead, but Redlib malfunctions all the same due to that)

This is actually legally mandated in Sweden for all workplaces with more than 50 employees - there must be a room present with some kind of affordance for lying rest. It must also be possible to darken the room completely. Its stated purpose is to facilitate temporary rest for workers.