Dr. Ross is great, but he's wrong on that. Engagement isn't dead, it's REAL and proportional to how much value you put out and how many people see the note.
When I get 5 likes here it feels better than the rare times I got 50 on a tweet.
When I get zapped I know that my thoughts had real value to someone. You can't get that on Twitter. Just my two ⚡.