Twitter discussion threads are so often extremely polarized and uncivil. They have to do something otherwise the majority of users who aren't interested in read

Twitter discussion threads are so often extremely polarized and uncivil. They have to do something otherwise the majority of users who aren't interested in reading threads of propaganda accounts fighting with each other will lose interest in the site. It's not about suppressing controversial opinions, it's about keeping what is fundamentally a site most people use for entertainment, entertaining, instead of a battleground for those with the most extreme opinions on the internet. Twitter have been incredibly permissive with they allow compared to Facebook and Reddit up until now.