I'd assume the promoters (or their bank managers) wouldn't agree with you
In fairness, that reply was a touch brief, and I suppose I should elaborate.
(Warning, rant coming up

)
One of my bug bears with nightclubs, or more realistically promoters, is the propensity to try and squeeze in as many names onto a bill, clearly in the assumption that it will appeal to more clubbers that go pretty much because dj x, y and z are playing.
A very cheap, and short sighted methodolgy. Not only from the obligatory musical point of view, and when you're dealing with paying for guys like David Morales to do the cloakroom shift, well I can't believe it can last/work financially.
All well and good 'just look at who they've got down to play' I hear you cry, though, well, it's not all well and good, is it? Who wants to hear DJ x play for an hour, before DJ y comes on, potentially of a competely different genre. It'll take DJ y half an hour to bring in his type of music, and then before you know it, he's kicked off for DJ z. Repeat to fade.
It would be a little understandable with multiple rooms, but with one room?! It's baffling!
Not only this, but then the promoter ends up paying for more DJ's, and guess who picks up the tab via enlarged ticket prices?
And not to mention, well there's no way of saying this without sounding like an arse, but what happened to DJ's taking you on a journey? Fair enough, I don't expect it from DJ 7Haircuts Electro, but if you've got genuinely decent DJ's (and there are some of them on the bill), then it's pretty criminal squeezing them in these tiny windows. They won't be bothered (you think Sasha gives a f*ck about a 90 minute set? Will it ever go down in History?), and essentially it's a waste of everyones time.
Look at the line up for this event, and it is the exact pinnacle of everything I'm against with this in mind.
Each of those DJ's could and should, fill a venue (with maybe a second tier warm up) on their own, and treat the crowd to a full start middle and end.
Rant over!