Yep, I tried the Copelands in Alexandria, VA 20+ years ago, and that was decent enough, but RIP also. Never did try Lulu's.
And yes, they can never get the flavors right. It's either completely bland, or they put way too much of whatever. Others simply aren't Cajun or NOLA/creole food. Some of what passes for jambalaya, good grief.
One thing I do like about Jason's deli is their gumbo is fairly decent and I love their muffaletas. I just wish I could get a good shrimp or oyster poboy or a good crawfish etouffee here.