NyxWulf -- You should consider the size of the companies you referenced in your message. Nary a startup in the bunch.

For startups, a Divide & Conquer strategy turns into a Divide & Fail result. Startups need laser focus on a single product/service.

As the startup grows, sub-brands can be incorporated. Quite easily, actually.

Reason being, the startup isn't a national/global player that has pigeon-holed itself into a single niche. The sub-brands are equated with the growth/expansion.