I can't see the relevance of a handful of unfortunate fates of blasphemers. Not really scientific. For every one quoted there are thousand other doubtful critics who didn't meet a sticky end. Just another urban myth
Besides, you portray a rather old testament, spiteful, and thin-skinned deity by your reasoning. Better workship and be good, or I'll make you pay etc...
I'll take my chances as worm-food, thanks - far preferable than put up with an eternity run by such a humourless, unforgiving, wrath-filled supreme one.