It should cost more than that. Make it clear that this is intended for corporations / brands and that this subsidizes regular people.
1. For people who post, you will be treated better by the ranking and spam systems. The blue checkmark may be like the “blue bubbles” iMessage thing where it’s not-so-subtly a marker of ingroup status.
2. For readers, you get to see less ads.
I don’t use Twitter much, but I could imagine it being worth it for people who spend a lot of time on the app.
https://twitter.com/somebadideas/status/1588876465915166721?...
I would swing $4 if they added encrypted DMs.
There should be a tier for content creators, journalists, and others who use it for work. Politicians and governments should pay something.
But for average people sure pay a few bucks a month or become the product.