It depends what the parts are as well. Playmobil only keeps parts 4 years after they have been discontinued and then they are gone due to storage space limitations. If they get bought up before then they may not make another production run just for filling DS orders, since a run is in the range of thousands of the parts.
I know, some could be, but most were kinda recent... Some were like "hey, let's try this", and it would be no surprise not getting them... On my previous order there was a list of parts that came as "no stock" and "limited", but I don't think it's permanent - the no stock included the small green dragon wings (but the body was available, so I have a wingless dragon
) and the flame for the torches, for example... which are current pieces. And VERY common, in the flames' case, right?
So, while I was expecting a list of "not available" parts, I NEVER expected a short "sorry, no stock of the mentioned parts"... It's unreal