Alan Moore creeps me out honestly. Partly it's the Unabomber look. Partly it's the all the kooky "look at me imma zanny weird artsy fartsy crazy man! I'm a free spirit! Look how artisty I am! Whoooo!". But mostly, it's his bizarre sexual topics he likes to write about like turning iconic childhood story characters into slutty porn stars and his strange fascination with glorifying rape. Fucking weirdo.
Never seen any of those things (though they seem in-character with what I DO know about the guy)... except for "glorifying rape." That seems pretty out-there, and not in-character with things I've read which he wrote. From his writing, he doesn't "glorify" it... but rather treats it as evidence of the "animality" of humanity as he sees it.
Of course, it's entirely possible (I'm not a huge fanboy!) that there's stuff about him I've just never seen... so... sources for your comments, above?