The offer is strong. The page is making it harder to see.

The problem is that the page currently makes the visitor process too much information before they can build a simple mental picture of why they should join.

I'd make the new version say:

<aside> 💡

“Here's why your business needs this, here's how it works, here's what your life inside it looks like, here's the proof, and here's why Link Up is different.”

</aside>

That's a much easier decision to make.

The page should move toward:

See → understand → believe → act

instead of:

Read → read → read → read → maybe understand → keep reading → eventually see proof.

So I would not narrow the headline to “personal brand” alone. The core transformation is broader:

Brand growth + business growth → through Link Up.