When having chat disabled and then attempting to chat, you will be presented with this screen: https://cdn.discordapp.com/attachments/1081328044062560277/1081328106687692800/IMG_9923.png

When following the link it provides: https://aka.ms/JavaAccountSettings you get redirected to a page that no longer exists. The aka.ms link most likely should be directing to https://help.minecraft.net/hc/en-us/articles/4408968616077 or https://help.minecraft.net/hc/en-us/articles/6985971367309