This is nothing new. Charities and related tax write-offs are one of the favoured techniques of the rich to avoid paying their taxes for over a thousand years. The fact that such an obvious and well used loop-hole hasn't been closed is simply proof that those with the power to close such loop-holes have zero intent in doing so because they are likely personally benefiting from them.
A collective problem that crosses all levels of government and for every side, not an issue of any specific government.