he's genuinely disturbed by singular 'they'. that's probably a symptom of mental rigidity, which is quite common among the neurodivergent. so is hyperfocusing on issues that pique one's interest, and finding and proposing and pursuing solutions for them.

so he cares enough about the issue that he sets out to devise, write and publish a proposal. what's the criticism to be made here? that doing so makes him a horrible person? what would this be but an expression of prejudice and intolerance?