Does This Debunk the "Coolant Can Flow Through the Radiator Too Fast" Idea???

I ran Flowkooler water pumps on my ‘90 Bronco with a 351 and my 2000 F250 7.3. In both installations the engine ran cooler. Not only that, the pumps on both trucks outlasted the stockers and actually never failed. I swapped out the stock pump on the Bronco at around 90k. I put it on the new rebuilt motor at 170k+ and it was stil on the motor when I sold the truck at nearly 300k. The stock 7.3 pump packed it in at 80k. The FK was on it when I traded it in on a Jeep at 211k. Good stuff.