The last clause in your comment is doing a lot of work. Prohibitive cost is only one form of exclusivity, but there are many others. For example, Twitter’s blue

The last clause in your comment is doing a lot of work. Prohibitive cost is only one form of exclusivity, but there are many others. For example, Twitter’s blue checks are free today but difficult to obtain. It sounds like Twitter is looking to replace the current system of exclusivity with one based on cost, and $20/month just isn’t very exclusive.