Which one? Did you not watch the video and visit the links I provided? Have you not checked out https://sampson.codes/brave/ads/my_region/ to see what ads are in your region and what they pay?
Right now I’ve been seeing a lot of people jumping in out of FUD (fear, uncertainty, and doubt) more than anything. Some of it are trolls who are upset about Rewards changes and so are trying to get people to panic. Others are people who just never paid attention and now see an ad campaign paying less than they realized. Then of course are others who don’t even look, they just see someone say it and they jump in to say “me too” and demand more BAT.
As to ads decreasing, compared to what? Have you checked how many ads are you in your region and how many are targeting your OS? The amount of advertisers change on a regular basis. Sometimes we get a lot and other times not as many. Other factors also play a role, such as our own settings and if we’re flagged.
Yes and no. I kind of touch on this over at PSA: Current FAQ - #22 by Saoiray which also had been shared previously by someone else at Information about the new brave reward system? - #3 by g00z. Not to mention my own little description of things a while back at Understanding Brave Ads Catalog Viewer
There are caps to how many of each ad and ad type we see.