Here is why I won’t subscribe anytime soon (another reason on top of many, btw):

But what is interesting is one thing that you won’t get with Twitter Blue: an ad-free experience. Advertising is still the biggest chunk of Twitter’s revenue, and they’re not going to replace that with direct subscriptions anytime soon. Source: Twitter Blue subscription launches in Australia, Canada – Six Colors

Paying to be a beta-tester and give feedback? Can you imagine paying to get beta releases of Apple’s OSes? No way.