I would kill to know how many people converted despite these comments.
Lurkers are 90%, 10% have accounts, and 10% of those with accounts comment. This was the breakdown of some major subreddits maybe 6 years ago.
That it's $20/year is very little but also significantly raising the likelihood it'll stay around for years. The author is also intelligently creating relatively low maintenance but high value services so this actually looks workable in the long term.
Other than hosting a basic web page, the other features are not useful to me.