there is/was an entire page dedicated to say they don’t shadowban
I proved this out with several experiments years ago
6. Twitter denied that it does such things. In 2018, Twitter's Vijaya Gadde (then Head of Legal Policy and Trust) and Kayvon Beykpour (Head of Product) said: “We do not shadow ban.” They added: “And we certainly don’t shadow ban based on political viewpoints or ideology.”