They're very different tools, and neither is inherently safe. You can absolutely have kickback-like issues with a track saw if you're not careful when making plunge cuts, for instance.
A track saw is more convenient and arguably safer when breaking down a huge piece of plywood. After that it's no table saw replacement. You can't easily do repeated cuts of identical stuff width, you can't work on small parts, you can't make most of the common jigs, you can't do dadoes or box joints, etc.
I regularly do repeated cuts of identical stuff width with my tracksaw, so I'm not sure why you'd think you can't easily do that.
About the only thing the tracksaw is not good for are long cuts of narrow stock. And yes, dadoes, but I do those with a router and arguably you should not even try to do them with a table saw, unless you are trying to hurt yourself.
Implying that because of the possibility of kickback a tracksaw is comparably dangerous to a track saw makes no sense.