That's what I always thought but then a year or so ago I posted that opinion and someone debunked it (or at least said that if a corporation was doing that, they were being naughty, because they're not supposed to claim back others' donations like that).
I don't have a source though, sorry.
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https://bsky.app/profile/dylanreeve.com/post/3lrw26qcgbs24
I don't have a source though, sorry.