This is not a genuine post. This is a thinly-veiled informercial.
She is an angel investor and owns a fund that invests in the type of professional networks she is promoting. She is even an angel investor for a company that she directly promotes in the post (Webflow).
LinkedIn is sufficient the way it currently is.
1. Connect and contact professional peers
2. Contact recruiters
3. Display bare minimum work experience and look up this information of peers
4. Link to specialized work and portfolio e.g. github
That covers the majority of consumer use cases and anything more complicates the website.