Absolutely its each to there own at the end of the day, i just try and get my clients to understand that supplements will not get you to a certain point any quicker than natural proteins, they are merely a tool if you struggle to eat the required amount. As for consuming more protein than required your kidneys will take a pounding if its excessive, ive seen the effect on a number of older clients and its not something they would repeat if given the choice.
I've got that issue that I can get enough protein or vitamins in my normal diet...