Bad attitude and rude

We went to Toys R us to do the exchange of the toy that we bought. The store manager Rusheil or Rushail he had the bad attitude to us. This toys r us at Mall of the South. He said to my dad " you need to look at yourself in the mirror and you shout as much as you like". The owner of this store needs to take the staff to Customer service training. Which the service that we got on the 20th May 2018 it's was not good at all. He even shout at his colleagues too in front of the customers. That store manager he really needs the training service, cause that is so bad to business. He was very rude at us.