Earlier quoted context omitted.
If that were true, then why aren't frequencies capped for most campaigns run on-line?
I don't think I understand this question. Why doesn't Facebook limit the number of impressions? I assume the premise is that fewer ads will be worth more? Again, the ad market is insanely efficient and competitive. Restricted supply doesn't correlate with increased prices. If 1000 impressions is worth $20 to me, and it costs $30 on Facebook, I can take my money elsewhere. I don't even need to push a button, I have so…
As a user, I often see the same ad 100s of times. Yes, 100s.
On most ad software, you can set it so that the user sees it maybe 3 times.
The fact that I see an ad 100s of times means that the ad market is inefficient. Maybe the competition for that ad space is efficient, but from a user POV, advertisers are wasting time and space.