On twitter, anybody who can think up a snarky 140 characters retort can contribute to the "conversation." In the blogosphere, you had to create your own blog and write up your thoughts in long-form. For this reason, blog debates were simply more intelligent than today's twitter debates.
Prediction: Incentive designer will be a new title in web3. I think of it as a product designer that can draw on principles from economics/tokenomics, psychology, and engineering. Incentives govern everything!
Put simply, in order to be someone, we need someone to be someone for. Our personalities develop as a role we perform for other people, fulfilling the expectations we think they have of us.