Well, there is a grain of truth there but the way it is used makes it ridiculous.
It is tru that the longer the time of contact between metal and coolants molecule the more thermal energy it absorbes but this only applies at molecular level. If one considers a system as a whole it is quite the opposite since the higher dT the better results overall
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I liked the shotgun comparison, afterall a proper reviwe needs to sound very 'techie' and use sophisticated expressions, right?