This site is every bit as echo chamber, “curated”, and intentionally suppressive to anything but a specific viewpoint.

If anyone doesn’t think so, go make steel man arguments against climate tax policy and let’s see how that goes for you.

The up/down vote system is the tool to implement ideological purity. And here the gray/fade system is a bandwagon signal.

This is all known, to people on the outside of the “target audience”.