This is entirely hopeless - their development budget is 0.05% of that of Intel. So these will never leave drawing board to become usable product, and this is not a field rational to invest in - general purpose processors are olygopoly market with decades long learning curve worth too much. Even if someone puts hundreds of billions dollars and decades of time to become competitive, this will only diminish returns in t…
In addition, more CPU choices will always mean more flexibility for hardware startups. Just think about how hard it is to source a CPU in sufficient quantities. A hungry manufacturer eager to gobble up market share from others might be more willing to accommodate a startup's needs.