If you use emoji in your communications, I will think you're not very professional.
These emails tend to end up in my spam folder.
I once received one of these after I was mistakedly billed too much for a product. The person involved had a C suite type role at an ISP. After a bit of searching, I found their personal work email address and forwarded my reply directly to that. It got a more or less instant response, roping someone in to help me and I was phoned twice by an obsequious rep afterwards to make sure I was satisfied with the outcome.
All I wanted was a normal email address I could reply to and expect a response.
I consider that an antipattern in and of itself.
Unless you have a truly abysmal average CLV, replies should be directed to a system that first filters out (and acts on) bounce messages, simple unsubscribe requests, and obvious spam, then dumps everything else into a ticketing system.
Exposing an avenue of communication (which is what email fundamentally is) then trying to pretend that it doesn't exist is just obnoxious.