Hi all. Could you take a glance at the below picture and tell me your thoughts.

It shows the rear underside of my y2k 9-3 vert. It has covered 16k miles with these springs and shocks (koni adjustable) and has just failed its MOT on account of them sagging.
1) do you agree these are unservicable?
2) what sort of lifespan would you expect from Konis?
3) corrosion considered, am i fair in tarring koni here with poor quality?
I'll be in touch with Koni UK shortly but wanted some input from you guys first really.
This image is with the car on level ground.
I have also posted on saabscene so will pass feedback between sites.
Many thanks in advance.