Was Drow a breach of the spirit of VIP? Was Favored Soul a breach of the spirit of VIP? Are 1750 favor tomes a breach of the spirit of VIP?
The fact that they are unlockable by favor is not what's in question at all.
What's in question is the fact that said favor is unavailable at the moment, which will allow Premiums to unlock the class before VIPs can unless the VIPs also pay. And that design is less than honest to the spirit of VIPs, to say the least. As a matter of fact, it's a slap in the face.