News like this are extremely damaging to the public image of ngo's, most of em rely on gifts rather than government subsidies,
so as you can imagine events like these are a financial nightmare to them. And a good reminder to do more internal housekeeping.

Certain levels of corruption exist in every layer of society, thus also in ngo's.

Do you throw away the whole basket because of one bad apple?

And WWF is pretty straightforward and transparant, received their balance state just yesterday.

If your not trusting parting your money to something you can always donate blood for example or do voluntary work..