He was also, at one point, stripped of his post and imprisoned for being too abusive and genocidal. In his lifetime.
Sort of like how it's impossible to think of The Faerie Queene without remembering that it was written by a war criminal, yeah.
More than that, since Spenser's actions, while questionable even at the time, didn't
revolt a monarch who had previously kicked all the Jews out of the country and launched an inquisition. (And when I think of
The Faerie Queene it's generally more the anti-Catholicism that comes to mind.)