It's a fair point. I think loss-aversion over React (Native) is to blame.
Their current client stack is: Web: React Desktop: React + Electron Mobile: React Native + Native
Their commitment to React on so many platforms makes it easy to accumulate bloat. Their need to support lower-level features means they can't avoid native code altogether.
I wonder why they stick with it.
My guess is they don't want to add more hires just for this problem
Their 2018 commitment to RN: https://discord.com/blog/why-discord-is-sticking-with-react-...
Their 2025 complications with it: https://discord.com/blog/supercharging-discord-mobile-our-jo...