Don't assume, just test.
I mean, it does this exact same thing in Larry in 1.2.3, and probably for many versions, and I haven’t heard anthing from our 100.000+ users that they think that’s confusing. And I assumed it wouldnt matter to your level of anger if it was classic or larry.
You know the story about a woman in the US burning her hands because of McDonalds coffee. And because of incidents like those companies put things on their devices like “Do need eat this toy car, may cause suffucation”.
I think the roundcube developers just thought that didnt need to put disclaimers down because it would be obvious. Little did they know.
Cor