Yeah, I've been experiencing something similar. With the TV shows, I became less enthused with Moon Knight as it went on and Ms. Marvel never really clicked with me, though so far She-Hulk is certainly reigniting my interest in in the MCU D+ shows. With the movies, I'll admit to not being particularly taken with Shang-Chi or The Eternals, but No Way Home, Multiverse of Madness and Love and Thunder have certainly satisfied me the way most MCU movies do.
I'm guessing you don't watch the credits? She's listed as playing herself, which is what clued me in to the fact she's a real person.
Though, I likewise never heard of her before now either. It's time's like this that make this old Grandpa Simpson scene feel all the more real: