Because the social norms of this place currently discourage it.
I also don’t use contractions in formal writing settings. Does that make them bad?
I also don’t use contractions in formal writing settings. Does that make them bad?
But no matter the reason for the complete lack of emoji, the fact that you like this site enough to participate here is evidence that emoji don't actually improve public discussion as much as you think they would.
There are many many sites on which you could have chosen to participate where emoji are common and can be used freely.
Whatever point you're trying to make, this is an extremely ineffective argument for it. You’re in “checkmate, atheists” territory here.
Nothing about the comment you are replying to implies an abstinence from face-to-face conversations, and the suggestion is not very plausible.
I provide equally ridiculous examples of how engagement in a venue that restricts things has no bearing on whether or not those things are generally useful. It simply means that society has agreed those things aren’t appropriate in every context.