WOT might have specific meaning here in Nostrverse while I realised I used it rather broadly

However this could work as follows. If someone is a subscriber then they comment for free (they already paid) and randos have to pay. Now let's say a subscriber follows someone and then that person can comment for half price

This would make following others mean more and complicate things because we follow others for lolz sometimes and it would enable them. We do not want this. A well-designed system of lists like Bluesky has or Twitter had could allow following others without building their reputation