Obviously, OD&D wasn't a new edition. Cue Bobby Brown.
Changes can be driven by all sorts of reasons. But for "editions" (such as D&D, as we are talking about) the primary driver is, in fact, money.
Which means that the primary goal when designing for a new edition of D&D is to make the game broadly appealing. Making a design that takes a side (driven by ideology) is usually not a great idea. Making a design that is revolutionary (in the sense that it will be unfamiliar or off-putting to many people who were playing the prior edition) is also not a great idea.
If you want to design an awesome ideological and revolutionary game, then you should probably release it yourself. It's probably best not to do that as a new edition of D&D.
(Also, when you're designing for D&D, you're not designing art, or advancing the ethos of yourself or design in general. You're advancing the interests of a corporation and one of their flagship brands.)