She’ll be reelected primarily because she can massively out-spend any opponent . That doesn’t mean she’s well liked.
Incumbents are always hard to knock off, democratic incumbents in New York City are almost impossible to get rid of.
She has a huge following because she is a female minority that "fights the system".
You have to remember most of the people in her district and most that follow her are not educated and have the mental capacity of a snail.
No matter how stupid she comes off, there are a lot of people that like her simply because she is young, outspoken, brown and/or female.
This is the demise of America. It's a popularity contest like in High School, most people these days don't care about the fact that she's one of the dimmest lightbulbs in Congress and that her proposed policies are not even feasible.