What is the worst response you've had from them while shopping/trying on clothes?
About 20 years ago I was looking at skirts in a store and the two saleswomen humiliated me big style.
One asked if I require assistance and I explained I did not, but was interested in a skirt.
One held a long skirt up to me (uninvited), while the other made comments asking if I'd like to borrow her own make-up and lingerie and saying also that they'd love to see me in a tight mini and heels.
They then laughed so much at me.
I left red faced and never returned.