If I'm an organisation, e.g. a company, I don't want end-to-end encryption, I want to make sure I have access to all messages within the company and between employees.
So I'm not sure a tool that is encrypted end-to-end will be that appealing to me not matter the name unless there is a feature around that.
On the other hand, individuals who are savvy enough to look for such a tool may not worry too much about the name.