Earlier quoted context omitted.
That question mark is not needed. Sverigedemokraterna is very much in the same vein as the Danish People's Party and currently rates at about 10% in opinion surveys. They haven't changed the Overton Window very much since all other parties have a pretty solid front of not supporting Sverigedemokraterna but they most certainly have shifted the window a bit to the right.
I think they're a bit different from Dansk Folkeparti (DF), mostly in having considerably more questionable roots, which I would guess doesn't help their acceptance in the party mainstream. They have made an effort to clean up their image in the past few years, expelling a number of the extreme-right elements, but the party's roots in the far-right scene makes them a bit anathema to respectable society. The origins o…
Because in Denmark, immigration can be part of public debate without being shunned, while in Sweden, it's hard to get any sort of ground in this debate without being labelled a racist.
So now, some of them are trying to be more 'reasonable' about it with the party Sverigedemokraterna. I assume because they haven't made any progress publicly in Sweden by just being seen as extremists. And more and more figures are beginning to tell Swedes that immigration is not an issue you can ignore, thus Sverigedemokraterna's support is rising, because it's the only party that wants to talk about it.
But I am confident, that most of its votes are 'protest votes', to get the other parties to talk about it.