They already are part of stylistic sets. So, for example, if you download a combination of 0 and 7 (regardless of which one), there are ss01-ss06 stylistic sets that encode other options in it.
The reason why we have a "font configurator" is because lot of terminals/IDEs/tools/OS, etc haven't got a full support for OpenType features. So we let users configure it as they like and it just works.