We have various IP: patents, copyrights, trademarks etc.
You cannot copy and paste the community.
The product is deceptively simple. There are many challenges with emojis that we had to solve including countless compatibility challenges, homograph attack vector challenges etc.
Designing beautiful, and easy-to-use products is hard. This is why most products are ugly.
It's easy to say couldn't company A do X when in reality every company has a roadmap filled to the gills. Refocusing to do this is nontrivial and takes a huge undertaking.
Once folks partner with us they wouldn't partner with a clone. The moat gets deeper the more partners we have, and the larger the community is.