100% disagree. I think it's one of the best things a person who stutters can do. And speak for yourself on its enjoyability. Time pressure is a real issue which typically exacerbates severity of stuttering. I remember listening to a piece on NPR about a guy going up to perform some strictly timed public speaking event and how he handled it. Maybe it can inspire some ideas: https://www.thisamericanlife.org/713/made-to-be-broken/act-one-11