Emojis are standardized exactly the same way as text is, both are defined by the unicode standard. They might not be rendered uniformly, the same way that text rendering depends on the font.

I don’t think anyone was hating originally. The “seriously?” was likely referencing your use of the word, rather than being a comment on the matter of your original question. One can read your comment as being in disbelief that somebody might be unfamiliar with the highly specific acronym you were using, which probably prompted them to comment on the “bubble”.