Any discussion like this has no meaning unless you first design what users are you talking about. People are more than willing to invest a lot of time and effor

Any discussion like this has no meaning unless you first design what users are you talking about. People are more than willing to invest a lot of time and effort into learning your product if they use it professionally and this is going to make them much more productive in the long run. The samer person can build their own custom Emacs distributive with Evil mode, and at the same time not figure out how to use your web app made out of couple of forms. Because she needs Emacs for her work, but it's you who's trying to convince her to use the web app.