Or it's a really great idea, since you now can produce a diversity of software products, all of which should be correct on a subset of features, and all of whic

Or it's a really great idea, since you now can produce a diversity of software products, all of which should be correct on a subset of features, and all of which can be tested independently. Perhaps bugs can be flushed out that would be latent and undetectable in your standard build. Having lots of knobs you can tweak is great for randomized testing. The more the merrier.