For the average consumer who doesn't know how to play music at all, maybe the ukulele would be a nice option. If you hand a professional guitarist a ukulele, and tell them it's a proper guitar, they will probably laugh at you.

That a ukulele is smaller is actually the opposite of what I'm looking for. I don't need a smaller guitar. I need a nice one, that plays and responds like I'd expect a guitar to.

I would never use a ukulele as a way to somehow replace a recording of a traditional guitar, even though it's more convenient.

There are thousands of photographers who feel this way about DSLR's.

If it doesn't fit your current/busy lifestyle, cool - the ukulele works for you. But don't pretend the ukulele is / can be a guitar. Popping lenses onto an iPhone camera is like putting an amplifier onto the ukulele. You're still trying to make something better that is, due to its size alone, never going to have the depth or quality a guitar or DSLR would have.

Also, I'm not dissing the ukulele, here. I'm trying to provide an example that just because a tool can work for a purpose, doesn't mean it's the right tool for the job.