Do you think that it's okay for a 14 year old to come home from a party at half past 3 am, and at the party there was no supervision? Only teens, alone,with anything they wanted? (alcohol,cigarettes, etc.)

The 17 year old came home at around 5 am, is that ok?

I am not saying that it isn't, bcause I really don't know much about that,but.. it doesn't seem right to me. I mean she's 14...
BF was worried but he doesn't have much of a problem with that. What do you think?