This is where GP is wrong, I think. The problem are being solved, for now, because the businesses are still too excited about the whole AI thing to notice it's not in their interest, and properly consolidate against it.

And the problem being solved is, LLMs are universal interfaces. They can understand[0] what I mean, and they understand what those various "solutions" are, and they can map between them and myself on the fly. They abstract services away.

The businesses will eventually remember that the whole point of marketing is to prevent exactly that from happening.

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[0] - To a degree, and conditioned on what one considers "understanding", but still - it's the first kind of computer systems that can do this, becoming a viable alternative to asking a human.