The guy I’m dating told me a weird story

I 28F is dating this guy 34M he has been a sweet guy and a gentlemen he also seems like awesome father to his son so I really liked him but recently we had conversations about our past relationships he always asking about mines so I told him to tell me something about his and what do he think he did wrong he then proceeds to tells me how his ex graduated nursing school and they had a family gathering at there home to celebrate he said he got so sloppy drunk that he came out naked in front of everyone yelling JESUS is real because a. Guy a the party said he didn’t believe in god he said his ex had to lock him in the room and she was so embarrassed it led to there breakup would you continue to date someone who did such a thing ? mean I was embarrassed and I wasn’t even there is this a red flag or I should look at it as a past mistake?