>Those leveling the charges of censorship, according to the sources, included a participant from the Media Research Center’s TechWatch initiative, which asserts on its web page that “a handful of tech companies can censor both the people and the ideals of the right."

Why do people think stripping Section 230 protections will make companies more likely to allow comments on their sites?

It will make them less likely.

Particularly from the segment of the population who thinks it is funny and appropriate to post "Michelle Obama is a male gorilla" memes.