Ms Marvel had more realistic interpersonal interactions than most of the rest of the MCU. Reactions comparing it to a Disney Channel kids show reek of middle-aged dudes who want to be assured they aren’t into kiddy stuff.
And yes, the “superheroes as recognizable humans” trope has come to dominate the genre but it is very specifically a Marvel innovation. As I’m sure most of us know, in 1961 Lee introduced the concept in Fantastic Four, and it turned a bottom-dwelling publisher into a major cultural force that DC struggled to imitate. Before that, supers had been man-gods who spoke the stilted dialogue of Republic serial heroes and were largely not relatable to the reader.