[ViViDboarder]

Signal has had stickers for over a year now. https://signal.org/blog/make-privacy-stick/

About the time they added stickers, and message replies my friends group chats switched over.

[Proziam]

The feature exists but the overall quality and variety just aren't the same. For whatever reason, people get comfortable with the familiar and even a cosmetic change creates a barrier.

I have no doubt signal will catch up though.