Maybe not, but it would probably grow immensly. The exodus from discord is pretty significant, and matrix is mentioned again and again. It does not have to be that many more users in % from Discord to make matrix a lot more popular than it is today

I am so pissed that Element or any other Matrix app does not support push to talk OR a minimum noise gate. If it did it would clearly get tons of new users, it would be pretty much no question which plattform to replace discord with