Yeah, I'm laughing and crying at the same time.
For one its so refreshing to see that Summer is popular enough to be worth using her image so prominently. On the other hand they are insulting her talent with only using her as a fan magnet
It again defies logic IMO. If Summer brings viewers unlike every other cast member then why not using her in the movie in the first place? If others can't bring viewers then they are presumably inferior and people will be more satisfied to see Summer than the others, right? Satisfied viewers->successful movie-> profit. Or was Summer too expensive for them to be hired in a main role?