Try to maintain the whole matrix or possibilities then you tell me...
Which is why you should think about how these options interact and compose at the start, as opposed to only adding options in an ad-hoc manner (whether you do it willy-nilly or only when your arm is really twisted)
Indeed, people aren't paid to do the good things, only the easy ones
It does make quality assurance an absolute nightmare, I would know, our application is like this to the 10th degree. Config on top of config on top of setting on top of options.
But if you also want your product to be productive for a way array of use cases, it's necessary. You need to think about your market.