What makes a yo-yo "built for competition"?

I think I found where ‘your confusion’ began> I stated, “Most Signature yoyos are identified as Competition Ready”. Which is very accurate.

But… I never stated that All Competition ready yoyos were/are Signature yoyos.

There are dozens of Competition ready yoyos that are not the Signature yoyos of anybody.

Once you can process that; I think your contention will vanish like vape exhaust.