Someone with exceptional intelligence called James recently said
"or an
electronic alternative".

There is no electronic alternative that is cheap enough.
If there was, they'd be selling like hot cakes.

Sony invented it decades ago.

But even theirs don't have it, so its more complicated than that.

It's on every single video camera nowadays, so why not on selfie
versions? It's called something like "steadyshot". Maybe it gets
confused as most of the image is jumpy, yet the face in the centre is
not. You'd think they could easily adapt the programming.

Most cameras nowadays have image stabalisation built in so there's
little need for such a device for most purposes.

So why isn't it on selfie stick ones?

They've had it for years:

15 smartphone cameras with optical image stabilization - Phone Arena
www.phonearena.com ۼ News
14 Dec 2014