yeah, that's the point... it should have a polarity extra to the decoration... but then we run into issues with clients picking their own mappings... and client complications and user cognitive burden... probably the most practical way is [+][-] and each, if enabled, pops up an emoji board, and adds a sign indicator tag

👍 can also be neutral or sarcastic implying a negative depending on context and participants. like a "thats cool but we dont care"

That's fair. Human language is much more than can be compressed into a binary up/down vote, even for the simplest single-character pictograms.