Materials are used in conjunction all the time and work well. Where do we start.
Mercedes Benz glues their aluminum frame rails into a steel sleeve in the floor. No problems there.
All vehicles using carbon fiber parts are glues onto steel panels. Not screwed or bolted on.
CA has been around for 25 years. Fierce owner John Mogal spent more than a decade working for CA before leaving. As a dealer who has sold these for 15 years, I can't see what you are basing your opinion on. Are you a CF barrel shooter? And then after running down the CF barrel you promote a new CF barrel maker.