I wasn't planning on joining only because there are several popular "charities" that I will not support because I feel they do more harm than good and I didn't want to have to choose between going back on my word or acting against my principles.
I'm sort of in the same boat except I do take issue with a couple of the charities listed. I know first hand that one of the charities HAS been shady to people in it's family of companies. Though, it wasn't the actual the charity's decision to do so. At least one company under it have recently been forcing employees to attend fundraisers and have been deducting a percentage if their check against their will. Another of the charities has recently been promoting an agenda that few people here or the even general population supports. Another charity I just don't get along with their philosophical views.
Either way, I'm setting all that aside for now and don't intend to rock the boat. Just for the sake of helping out some people and continuing the bitcoin experiment.