I think the reality is, no matter how awesome and impressive these tools are, they just don't seem to have a fit in the market.

Prefacing this with the fact I don't know all that much about the product, only a quick glance

For a big team of developers, building a big website with complicated interactions or requirements, a tool like this isn't going to meet all the requirements the developers have

If you're building something simpler, then you're probably better served by something like Webflow or Squarespace.