You don't have to have a reason to not donate to something, so the color of their shoes is also a perfectly valid part of the decision. The important question is whether it's a good reason. If you rank the style of his speech as a more important issue than having secure software (unless you think that the style of speech will negatively effect the software), I'd wonder how a single person's personality got so high on your list of priorities.

It sounds a bit like voting for a president because he's the guy you feel you'd most enjoy having a beer with: short-sighted.