5 Superstars Vince McMahon might regret letting leave WWE

#4. Chris Jericho joining AEW was a huge statement for the new company that WWE never should've allowed

The Painmaket is back #aewdynamite @IAmJericho pic.twitter.com/rE5UI2J8xz

— David LaGreca (@davidlagreca1) July 22, 2021

Chris Jericho leaving WWE for AEW and being announced as having joined the company as part of their launch was a massive surprise and no one would've seen it coming given that Jericho had, up until then, been a WWE lifer.

He would go on to become the first AEW World Champion and has worked tirelessly to help build up several AEW talents, including stars like Sammy Guevara and MJF.

Jericho's experience and tutelage backstage must have been invaluable for AEW's wrestlers, and his very presence on the show gave it an air of legitimacy in its infancy that it arguably wouldn't have had if WWE tried harder to keep Jericho.

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#3. CM Punk walking away from WWE at the height of his popularity is still a missed opportunity for them years later

“He has this incredible reputation, and he has fans to this day who would follow him to the ends of the earth.”“If you’re able to have people like that who follow your career so passionately, you probably have something very special about you.”- Kenny Omega on CM Punk pic.twitter.com/Va3AXQ7FMh

— WrestlePurists (@WrestlePurists) July 24, 2021

We're all familiar with why CM Punk decided to walk away from WWE and the circumstances surrounding his abrupt departure from the company, including the fact that WWE fired him on his wedding day.

However, WWE should've tried much harder than they evidently did to convince Punk to return, because what happened afterwards, was years and years of CM Punk chants during other matches.

Even over the last couple of years when CM Punk was announced as being part of WWE Backstage on FOX, people were clamoring for him to return to wrestling for WWE.

Now that it seems like he's going to head to AEW, it's an even bigger and potentially much more damaging decision from WWE that could come back to bite them years later.