I don't think he is a fantastic comedian as he's too one-dimensional. I do however think his act is a fantastic send-up of that type of man.
He is clearly a "massive pisstake" using "lampooning" to make social statement. I'm not saying his humour is highly intellectual or that deserves it is on the same level as Spitting Image or Private Eye, but I think to act a caricature so well takes intelligence and skill.
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I've just read an interview about him (yes, I am on company time!) and he comes across as intelligent and misquoted.
"O’Reilly recalls what happened: ‘A woman at the side of the stage said, “Dapper, don’t worry about that. My friend Lucy loves you, she’s gagging for a rape.” I leaned down and said, “What’s that? She’s gagging for a rape?” Next thing you know the headlines are “Dapper Laughs tells fan she is gagging for a rape”. I was mortified.’"
"I ask O’Reilly if there are any lines he thinks comedians shouldn’t cross, to which he offers a blunt but perfectly formed metaphor: ‘I’ll put it this way, right. I wouldn’t complain about a restaurant that serves a dish I have no intention of eating. If you don’t like a comedian, don’t go and watch him… There’s things I wouldn’t speak about. I’d never be racist. And I’ve never, actually, written a joke about rape. I don’t find it funny. My family’s been affected by sexual violence..."
"Just because there’s a group of feminists out there who don’t like the way some lads behave, there are also masses of groups of women who love naughty, cheeky lads – who love attention from men. Again, I think it’s a class thing. The majority of the girls that I grew up with were worse than the lads. They talk about worse things than lads. And they’re probably naughtier than lads. Just because feminists don’t enjoy it doesn’t mean other women don’t."
Of course that final quote can be twisted and blamed on 'patriarchal society' but there are plenty of girls who do like the lads' lads his act is lampooning. Ever watched 'the only way is Essex'? Those girls fall over men like Dapper's persona.