Well it is yet to be seen if that's actually real thing at all, but if it is it really is quite sad. Though Nokia can only blame themself for not implementing it to their mass market OS.
In 4 months when iphone 5 has already been announced and comes with this amazing and innovative multitasking window N950 will be announced month later with slightly updated multitasking window from Maemo 5 and will be by the general media deemed to be straight copy of iphones amazingess. Can't wait.