I know a chap with a Kemper.
He's found that A LOT of the presets shouldn't be tweaked as they fall apart very quickly where as a profile can be managed well. Starting with a basic amp and work from there in other words.
I'm no fan of such tech but the fellow writes & records a lot of guitar music in his apartment so the Kemper is his best option.

Then again - for those into specifics...

or



or



or


etc.

I have no interest in such things but they exist and there's a market for them.


Cheers
rayc
"What's so funny about peace, love & understanding?" - N.Lowe