Your objection seems to be rooting in what I refer to as the Swedish Argument, which basically amounts to the idea that even considering various possiblitites or asking the question can be considered proof of an immoral motivation.3 white racists convicted. Bad news for some of the equivalent to pieces of human sh!t who post on this board. You know who you are. You literally are walking turds.
And yet IRL (and on the factual basis) some of these not-readily-apparent factors actually does come into play.