Oxfam - tip of the iceberg?

Reading an article today about the waste that is prevalent in Oxfam (The Times, 13 Feb), also reading about their more than generous pension scheme (they double contributions made by staff of up to 10% of salary, which is brilliant for the high earners), and have decided to stop my small monthly contribution. I am wondering what else is going to come out of the woodwork? I am going to stick to my usual method of trying to help by contributing to smaller charities. Not there is any guarantee......