I haven't rigorously tracked all of the instances I've seen of this happening over the years, but I've tried to quickly find some more prominent examples for you.
This bug report, for example, has various "This comment has been minimized.", "rust-lang deleted a comment from ...", "rust-lang locked and limited conversation to collaborators" interference:
When Rust is discussed here, it's common enough for reasonable and relevant Rust-related comments to be voted down, sometimes severely. These threads have some examples I quickly found via a search of high-activity Rust submissions:
Here's an example of a recent submission on this site for an article very reasonably and thoroughly questioning Rust. It got some attention, and now it's currently marked as "[flagged]":
Keep in mind that strict "moderating" (ie, censoring) has been an integral part of the Rust community's identity for many years now via its Code of Conduct and Moderation Team -
This bug report, for example, has various "This comment has been minimized.", "rust-lang deleted a comment from ...", "rust-lang locked and limited conversation to collaborators" interference:
https://github.com/rust-lang/team/pull/671
A Reddit thread discussing the situation from that bug report mentioned above has numerous "[removed]" comments and down-voted comments:
https://old.reddit.com/r/rust/comments/qzme1z/moderation_tea...
When Rust is discussed here, it's common enough for reasonable and relevant Rust-related comments to be voted down, sometimes severely. These threads have some examples I quickly found via a search of high-activity Rust submissions:
https://news.ycombinator.com/item?id=24334731&p=2
https://news.ycombinator.com/item?id=24343867
https://news.ycombinator.com/item?id=23802674
https://news.ycombinator.com/item?id=26812047&p=2
https://news.ycombinator.com/item?id=29488336
https://news.ycombinator.com/item?id=11340100
https://news.ycombinator.com/item?id=24337001
Here's an example of a recent submission on this site for an article very reasonably and thoroughly questioning Rust. It got some attention, and now it's currently marked as "[flagged]":
https://news.ycombinator.com/item?id=40091427
Keep in mind that strict "moderating" (ie, censoring) has been an integral part of the Rust community's identity for many years now via its Code of Conduct and Moderation Team -
https://www.rust-lang.org/policies/code-of-conduct
https://www.rust-lang.org/governance/teams/moderation