I am not in the adtech space, but a question I have always wondered. Does the monetization rate of the tracker go down if the site will embed anyone and everyon

I am not in the adtech space, but a question I have always wondered. Does the monetization rate of the tracker go down if the site will embed anyone and everyone? That is, if Site A embeds 5 trackers, but Site B uses 500 would each of the sites receive the same revenue per tracker?