Bad customer service from a cashier

Very bad service and customer etiquette, why advertise something you don’t have and shout at customers that “it’s for free it’s not like you were buying it” as I then said no I’m leaving the product then ****** cashier was like yeah leave it” TF is that how y’all make money? If the approach to my question was different hell would have taken 2 in fact without whatever freebies were coming with it🙄 your cashier was rude and very disrespectful! she’s lastig if she doesn’t want that job many happy to apply I’ll even give you cv’s and recommend a few