Overall I agree with you, but there are many people who want to do something (profesionally or personally), but lack either 1) the motivation or 2) self-awarene

Overall I agree with you, but there are many people who want to do something (profesionally or personally), but lack either 1) the motivation or 2) self-awareness of time/energy management, in the context of the rest of their life. Productivity porn taps into fixing one or both of these. Sometimes it's useful, sometimes not.