#2 If he wrestles a long match, fans may turn on him
As you know, Bray Wyatt isn't exactly the best in-ring worker. That's perfectly ok because he has in abundance what matters the most - a strong character. You don't need to be a great wrestler to get over in WWE and Wyatt has something about him that simply stands out.
When he's in the ring, fans go absolutely wild and that was seen in the brief 3-minute squash of Finn Balor at SummerSlam 2019. It made storyline sense for him to squash Balor with his new character and it probably would with a few more matches as well.
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However, the time will eventually come where he has to wrestle a much longer match and this may turn out to be problematic. Because the expectations have been so high for him, people may forget that he's not the finest in-ring worker in the company. The squash matches work well because they're part of the story and they get the desired reaction, but that won't always be able to happen.
Fans can often be fickle and they may turn on Wyatt the moment they're not happy with a match of his.