The EU is reportedly cracking down on emojis because they are being used to communicate in code, as 'hidden illegal speech.'
"The EU Commission recently unveiled a report asserting that emojis can obscure illegal speech, leading to a robust push for new regulations. Some tech companies have already begun implementing technologies to automatically identify and flag what they deem “illegal” emoji use, which the commission refers to as a “systemic risk.”
https://dailyfeed.ie/news/eu-takes-aim-at-emojis-new-crackdown-targets-hidden-illegal-speech/