I think any wrestler could have worked in the Attitude Era if they changed with the times.
Oh, absolutely. And, those were two points I was making above: Every wrestler in the Fed at that time changed his/her character with the dawn of the attitude era. Hellwig never evolved at all during his career, which is why I doubt he'd have made it in the AE. He had everything else - the muscle, the hair, the music, the energy, and most of all, the PUSH. Management was willing to push him, they WANTED to push him, and they DID push him. When you've got all that going for you
still can't run, well...
Hellwig had other facets working against him, too. His ego greatly impaired his business acumen, and his stubbornness and unprofessional/poor attitude also cut short what could
(and should) have been a stellar ring career.