Here's the bit I hope folks will read and think about:

An example: I cannot in good faith entertain the argument that high-scarcity societies are right in having restrictive, assigned-sex-based gender roles, even if these social structures result in measurable maximized utility (i.e. many much kids). [...] This is because respect for said arguments and/or the idea behind them is a warning sign for either 1) passively not respecting my personhood or 2) actively disregarding my personhood, both of which are, to use some vernacular, hella fucking dangerous to me personally.

This is, yes, a signaling argument.

It is an argument that if you signal that it's A-OK for your friends and associates to waver on whether certain humans are to be treated as full persons (as opposed to baby-making machines, slaves, marks, or maybe food), then those certain humans are pretty likely to get the hell away from you and your friends and associates. Especially given the alternative of hanging out with people who clearly (and expensively) signal the opposite.