I was thinking about it earlier and Chamber may be pretty OP in spike rush mainly because you get all ability charges every round and since Chambers sheriff is an ability he'll (most likely) have that during rounds like classic rounds where...

You are not hardstuck because of your teammates, you're hardstuck because of how you talk and communicate with your teammates. Now obviously this does not apply to all Reyna mains, just the ones that find it necessary to yell at their teamm...