I don't really grasp the value proposition here. I can have "Priority in replies, mentions & search, which is essential to defeat spam/scam", but is that valuable to me or to my audience? If I'm a regular no-name user, do I care if I'm lost in replies and search? And if I'm the Steven Kings of the world, that other users want to see content from, does it do more harm to me or to Twitter if my posts are hidden because I'm not paying $8 a month?

It feels like I'm being asked to pay $8 to solve a problem that belongs to Twitter (too many bots), not a problem that belongs to me.