it's a common courtesy to answer a call, especially when you are called by name.
granted that this is the internet and you can always ignore people but that's not of a polite manner, isn't it?
that said, forum rework will be launched with v5. so maybe they'll implement that if you beg enough.
also i think it will be too late to enable the feature, as you'll disable the notification after you realized you're being flamed. might as well disable notification as a whole, but i doubt they'll implement that.