Lemmy is a bit too niche and also it's open source so if someone has a big enough issue to develop a whole extension for it, they may as well just make those changes directly to Lemmy.
Have you looked at alternative Lemmy interfaces? Your instance hosts a few. https://fedecan.ca/en/guide/lemmy/for-users/alternative-uis
https://old.lemmy.ca/ seems to be down but you can check https://old.thelemmy.club/ if you want to see what MLMYM is like.