[workerbee]

If she’s constantly making herself available as a free ride for her friends to drink then she is enabling them, because they know they can use her as an escape route every time.

You're making assumptions that are unwarranted in order to support your (IMO) exceedingly narrow viewpoint.

[JediJones]

It’s not an assumption. If you do it one time that implies to the other person you will do it again. It’s wrong to do it even one time because it sets up the expectation you will do it repeatedly.