A great purge would be possible but would take A) Manpower and money (You would want a full team on curation that knows what their doing.)

B) Result in a lot of backlash from the right like a lot. Think Gamergate 2.0 (Mind you I dont really see that as a problem its not like theres any other store chuds could use so most of them would continue to use steam )

But as it stands the easiest thing for steam is to just do nothing since their lolbertarians it fits their freedom of speech idea.

valve’s small enough that it’s probably better explained by superstructure (prevailing ideology in the company) instead of the base