That requires either both sides to be equal in power or both sides to be willing to stick to the process. From the blog the author believes neither is the case.

The author was one of four members of the core team [0], "which is which is ultimately responsible for all decision-making in the project."[1] If there was a power imbalance it's because they were ineffective in their position.

[0] https://www.rust-lang.org/governance/teams/core

[1] https://rust-lang.github.io/rfcs/1068-rust-governance.html

Yes, agreed. My objection is to their dramatic language and seeming over-reaction. There were much better ways to express disagreement and protest.