Why has he blocked you? Could it possibly be because you've been more than a little abrupt with him?
Not acceptable quality, I agree 100%, but then neither is being quite so sweary. So go on, honestly, were you polite with him right up until he blocked you, or did the odd Anglo-Saxonism slip in?
Again, before anyone says I'm defending Pedro, I'm really not: This should most certainly NOT be happening. Juggalo is spot-on.