>build a KDP competitor relatively quickly Build? Yes. Establish as such? Almost certainly not. At least not without someone big pushing it hard. So even if so

>build a KDP competitor relatively quickly Build? Yes. Establish as such? Almost certainly not. At least not without someone big pushing it hard. So even if something like that ever comes to light, it will be the spawn of another corporate overlord who only seeks to screw over customers in the long term as soon as they get a hold on them.