The rational side of me thinks you're probably right but the emotional/patriotic side just really wants to imagine how awesome and demoralizing it would be for Europe to see Reed rolling in putts on top of Rory.
Reed is a good match player and has good mindset, but honestly it would be smarter to send a sacrificial lamb. Rors is en fuego. Weak putting Rory might have been vulnerable, but every part of his game is on today following picking up the level in yesterday's match.
He'd beat anyone unless he wakes up fatigued tomorrow, which doesn't look likely. Unless that missed short putt gets to him. But that's not likely - his big miss with driver didn't affect his long game. His proximity due to his long straight driving is giving him plenty of looks and he's draining enough of them even with a gack here or there.