Politicians demand censorship all the time, as is their right. They usually don't get what they want, as they don't typically have the right to enforce their desires.
For example: https://www.dailymail.co.uk/news/article-9619449/Rand-Paul-b...
> Rand Paul blasted Twitter on Tuesday for not immediately taking down Richard Marx’s tweet from Sunday in which he offered to buy drinks for the Kentucky neighbor who assaulted the Republican senator in 2017.
He can demand. They can say no. Both are First Amendment protected actions.