It ends up being net zero. They’re only writing off the money you donated. They still have to count the money you donated towards their overall revenue, increasing their tax bill, but then they pass the donation on, allowing them to write it off, reducing their overall revenue (and thus their tax bill) to what it would have been if you hadn’t donated.
It ends up being net zero. They’re only writing off the money you donated. They still have to count the money you donated towards their overall revenue, increasing their tax bill, but then they pass the donation on, allowing them to write it off, reducing their overall revenue (and thus their tax bill) to what it would have been if you hadn’t donated.