Andy Reid doesn't have a history of wasting RB talent. Quite the opposite, he has a history of creating elite RB1s with high catch totals. He was only forced to use a committee recently because he had little choice with the lack of talent on the roster.
Before DW was on the Chiefs, he hadn't had a single season averaging over 4 yards per carry. DW has only one season with more than 50 rushing attempts in a 6 year career. He's started only 13 of 85 career games, including only 9 of 27 for the Chiefs. Was an afterthought on the offense until Kareem Hunt was cut, Kareem Hunt who was drafted a full 2 rounds later than Edwards-Helaire.
Edwards-Helaire was called by Joe Burrow the best player he's ever played with, a group which includes Chase Young, Ja'Marr Chase, Ezekiel Elliott, Michael Thomas, Justin Jefferson, Terry McLaurin, Dwayne Haskins, Parris Campbell, K'Lavon Chaisson, Nick and Joey Bosa, Denzel Ward, Jeff Okudah, Patrick Queen, Kristian Fulton, Grant Delpit, Devin White, Greedy Williams, and Marshon Lattimore.
Edwards-Helaire was the first guy Mahomes mentioned wanting to draft when asked who he wanted to play with, saying “I think the first thing that stood out from Clyde is when the competition and the games got bigger, it seemed like he played better". It's not hard to see why QBs like playing with Edwards-Helaire, since he's great at reading gaps, creates ankle breaking lateral movement that makes offenses unpredictable, and can take shotgun reps to the house.
DW's fantasy outlook has always been about opportunity and scheme. Now his opportunity is drying up quickly, all DW owners have left to hang their hat on is a modest 5 game stretch of good play from over a year ago, in a system where any capable back could have succeeded. That's not going to be remembered for much longer.