Vercel is built on cloudflare workers meaning vercel winning means cloudflare wins. Also I think building out the datacenters across the globe is a much harder problem than building out a framework.
That animation in the background could use a little optimization. It's redrawing nonstop for no reason. Left the site open for a few mins and it got my humble Thinkpad's fans going hard (Vivaldi).
making a framework popular is harder than making data center stuff; people successfully rack boxes and crank rust/go/js/.. every day, but most js frameworks fail