But its likely that with improvements in the technology, the downsides you mention like print time, small range of applications, etc. might be solved. Its real

But its likely that with improvements in the technology, the downsides you mention like print time, small range of applications, etc. might be solved. Its really similar to when the first PCs came out - only hobbyists were using them, and most people probably didn't have much use for them, until easier to use OSes like Mac/Windows came out.