This is a cool topic and OP put some effort into a cool investigation. But half way through I gave up because twitter kept bugging me to open an app and adjust some setting. It also used 25% of the screen showing framing info.
This is, again, a subjective opinion. You are free to improve the readability of his content on your own using all the tools that are available. Given Foone's audience, he's doing well enough and people enjoy consuming his content as he decides to publish it.
Your authoritarian stance here is really condescending and odd.
ADHD is one disorder; the need to actively tell people you're not reading something and why is another. ADHD is less anti-social.
Also there's a great tool made to settle this endless dispute : https://threadreaderapp.com/thread/1135354815259656192.html
But seeing how chronically and rudely the guy cries about this issue, without even looking for the halfway compromise, he just looks like a jerk to me. And I'm not impressed enough by the content to get over it in the future.
Foone disagrees. You know better than him how his brain works?