DARREN: She’s a very impressive young lady … You molded her well.
LORELAI: Oh, no, I didn’t mold her. Rory popped out that way.
Lorelai has been very careful during the meeting with Darren to portray herself as a naive and uneducated small town girl, to make it seem as if Rory has attained everything without any family help. She doesn’t let Darren know she’s from a wealthy family, and went to private school until she got pregnant. She doesn’t tell him she’s an avid reader who loves musical theatre and classic films. She most certainly doesn’t share with him that going to Harvard was her dream, and that she’s been pushing Harvard onto Rory since she was a toddler.
Everything she does at the Springsteens is designed to convince Darren that Rory has had to struggle to succeed and needs special assistance to get into Harvard; that she’s from a “non-traditional” background that will increase diversity. It’s not really honest or transparent, but she hasn’t told any actual lies (except of omission), and she really wants Rory to get into Harvard.