at some point as a keeper we all come across people that keep there animals wrong. the only thing you can do is tell them what you think to be a better way of doing things. at the end of the day it is his snake and he can do what ever the heck he wants with it. this is just the sad truth.

did he tell you he wanted to sell it. if not you might want to take a step back and realize that there is nothing to gain. what i am saying is there are thousands of bp's in the us that are kept in crapy conditions and unless you plan on buying all of them this one is a drop in the bucket. your best bet is to buy him a better book.
http://lllreptile.com/store/catalog/...python-manual/
here you go. only 6 bucks and is a great tool.