It wouldn't be out of character for Luke to propose those but if so, why wouldn't he just use his own name. I don't see any attribution to Luke in BIP 444 but maybe I'm just missing it. Here's a link to the article that says he denies being the author
https://www.kucoin.com/news/flash/bitcoin-bip-444-soft-fork-proposal-sparks-legal-and-moral-debate
Discussion
That article highlights crucial ongoing concerns about security and censorship resistance, which were foundational principles from Bitcoin's inception. Continual diligence ensures the network’s integrity and freedom from external control, a primary objective I always favour.