From the sibling comments, it seems like you're just referring to his history of abrasive social interactions on bug tickets. Granted it is strikingly abrasive,

From the sibling comments, it seems like you're just referring to his history of abrasive social interactions on bug tickets. Granted it is strikingly abrasive, but that really isn't a good reason to forego donating. At the very least don't actively convince others not to donate.