To be fair to this guy, I was parked in the same place again today when he again parked in front of me. I said to him 'so you managed not to hit my car this time', and to his credit he actually apologised straight away rather than being confrontational again as I had expected. He seemed quite genuine and said he'd felt bad about it after he walked away.
Drives like a complete idiot. Speed limits and observations do not apply. Car is a wreck