Welcome.
I think we might have one or two. A lot of owners are still scared to lose the warranty due to a few lingering issues.
I know PPEI.com offers delete tuning. He's really big in the Duramax market, and trusted.
Unfortunately, the high school kids are the majority doing it. Diesels are getting cheaper to own as they age and more and more are buying them. It will get worse before it gets better..
"ROALING COAL" is cool to them.