Twitter is a platform that offers a product. Your attention is the product. The part of Twitter required to maintain a decent stock of product has not needed

Twitter is a platform that offers a product. Your attention is the product. The part of Twitter required to maintain a decent stock of product has not needed to change outwardly, because it hasn't had to. There hasn't been a new version of human in a very long time. But even then, anything that creates more product (drives more engagement) means more revenue opportunity for the 90% of the platform you will never touch. The parts of the product that theoretically make revenue for Twitter have changed significantly over time. Analytics, ad intake/spend, promotion for influencers/brands/etc.