They may be using something like Sift for security checking and something of yours was flagged. Source: almost 2 years ago

But sorry to break it to you, this has been done at a really large scale already although most consumers are not aware. One big player here is https://sift.com/ Almost every major retailer uses their service exactly for the reasons you mention. Source: almost 3 years ago

Reddit, for one. A pretty big list on their homepage. Source: almost 3 years ago

Specifically, a "normal" emoji like one from emojipedia, not one of the manually added mod tools emoji list. For example: 🏈. Source: 9 months ago

Emojipedia.org. it shows every emoji on every platform. Source: 12 months ago

Best Midjourney Prompts! Just copy and paste your style and VOLA ! 😍👌 Https://www.origastock.com/midjourney-ai/midjourney-styles-library.html. Source: almost 1 year ago

Have you tried searching for a switch emoji? Closest I could come up with is a radio button, which is just way too indistinct to even tell that's what it's supposed to be. Though maybe there might be a light switch emoji, but nope. If there was, they probably would have used it... Source: about 1 year ago

It's just emojis instead of text. You can use sites such as https://emojipedia.org/ or https://symbl.cc/en/ to find ones that suit you. Source: about 1 year ago