What's funny is I was just reading Matthew Chapter 15 today, and Jesus told people to guard against just that behavior.
1Then some Pharisees and teachers of the law came to Jesus from Jerusalem and asked, 2"Why do your disciples break the tradition of the elders? They don't wash their hands before they eat!"
3Jesus replied, "And why do you break the command of God for the sake of your tradition? 4For God said, 'Honor your father and mother'[a] and 'Anyone who curses his father or mother must be put to death.' 5But you say that if a man says to his father or mother, 'Whatever help you might otherwise have received from me is a gift devoted to God,' 6he is not to 'honor his father[c]' with it. Thus you nullify the word of God for the sake of your tradition. 7You hypocrites!
Remember that verse, it'll be useful!