I may be Marmite but there's a hell of a lot of people that seem to like Noel's version of Marmite.
The consumer mentality - we like something, what other flavor does it come in? We like that TV show, does it come in a book form? Does it come in a capsule? How about a soup?
People are starting to understand: all generic companies aren't created equally.
New things get noticed. This means you can't be afraid to present something new to your market, even if it's just a variation or an addition to an already-existing product or service.
The market may never coalesce around one basic design, or even around two or three dominant devices.
I have the same skin-care routine morning and night, although I'm not one of those people who always uses the same products. My skin changes with the weather.
It would clearly not be an improvement to build all houses exactly alike in order to create a perfect market for houses, and the same is true of most other fields where differences between the individual products prevent competition from ever being perfect.
A small change at the beginning of the design process defines an entirely different product at the end.