"It isn't jumping the shark if you never come back down." Chuck
Even before that, Trish's promo ability was a significant factor in her rising above in her era. Which in turn helped drive the division to it's best era ever imo.
It doesn't even matter that much overall if some can wrestle when no one but workrate smarks cares. You have to give the audience at large a reason to connect with their characters and want to see them kayfabe succeed or fail. Effective promos can be a way to do that.
A lot of people don't care about average workers, but when someone is outright bad, like kelly, even the least smarky fans know they suck.
It is more impressive because Stamboli isn't really build like a bodybuilder and he isn't that tall or have bulging muscles but damn , he is strong for his size.