I think this discussion is great and good to have; thanks for starting it! As a point of order, the TC isn't responsible for deciding whether bugs are RC or not. That responsibility belongs with the Release Managers.
[I don't think that should stop the TC from facilitating the decision and the baseline being enshrined in policy so the RMs can rely on it to decide whether it is RC or not.] -- Don Armstrong https://www.donarmstrong.com Those who begin coercive elimination of dissent soon find themselves exterminating dissenters. Compulsory unification of opinion achieves only the unanimity of the graveyard. -- Justice Roberts in 319 U.S. 624 (1943)