It's such a weird thing with Daleks. They've not been this vital ratings-puller since the 70s. It's the first thing that comes to people's mind with Doctor Who, but Dalek stories ever since the revival have hardly been any sort of magic bullet that holds the show together. Dalek itself was good- fair enough. Parting of the Ways was really just the all-action build on that and is more well known for Bad Wolf and Eccleston's departure, and likewise Doomsday and Journey's End hit home with the emotional lurch with the Doctor and companions, quintuply so for Rose in Doomsday- Daleks were in no way the heart of those stories. Heck, if I mention Doomsday to a lot of people, they'll talk about Tennant and Rose on the beach but they struggle to remember Daleks were even in it.
Every other Dalek story has been total rubbish (Daleks in Manhattan) or varying degrees of disappointing (Victory and Asylum)- and nor have they been any sort of ratings success, so they don't particularly please the fans and they don't particularly please the public either, so I am not sure why people keep taking shots at it. Moffat even straight said that he won't write Dalek stories unless he has a good idea for them, but they keep on showing up (and to be fair. Asylum was a different take on things and this one tonight sounds different as well). The re-make attempt in Victory died on its bottom in seconds.
Honestly, we can go a few years without Daleks. Heck, when the series went a while without them in the 70s, their comeback was Genesis which is a classic whose impact is still felt in the show today. Save up the big foes, don't waste them.
(We can forgive Day of the Doctor of course as Moffat was kinda forced to use Daleks there and they really only formed the background. Mind you, they again fell victim to the 'button of doom' curse. The Great Time War ended when the Daleks all shot each other by mistake eh? Rather like their fleet-destroying button in Journey's End- iot makes them look a bit shit...)
Paradoxically, I don't mind them keeping on trying with cybermen, because I loved them in the original and they can't get them right in the new show, with not even one good story. Someone HAS to get them right eventually.