>That is to say, if you assume a) through d) then you assume your app is of little value and you shouldn't be building it. Or, you feel your app is so valuable

>That is to say, if you assume a) through d) then you assume your app is of little value and you shouldn't be building it. Or, you feel your app is so valuable that it is worth the time and effort making it capable of reaching the widest possible audience. It really depends on the target demographic of your app (technical vs non-technical users).