+1
Complaining about unlikable characters is...fair, I guess. Like, if the film you were watching wasn't the pleasure seeking vehicle you hoped it would be, I guess it's fair to criticize that aspect.
I've just always found it odd how most of the people who use that criticism tend to use it for characters with relatively low stake flaws ("This character is a bully", "This character is rude to their family", "This character is a bad parent", etc.) and ignore it for films with murderers as the main characters like The Godfather, Goodfellas, Le Samourai, Pulp Fiction, etc. The main characters in those films are far worse than Gina is.
Overall, I think unlikable characters can be just as complex, layered, and interesting as likable characters, so I feel that dismissing those films with "I found them unlikable" is oftentimes barely scratching the surface of the complexities of those characters.