Isn't the exact reason for such planes to be able to have a credible defense vs. Putin and his ilk, so as to not tempt Russia to make advances on Europe. AFAIK, Denmark is patrolling the skies of the Baltic nations vs. Russia right now. I don't think Denmark wants to do that in an obsolete 1970s fighter plane.
The F-35 looks like a disappointment, but we can be 100% sure it will be able to carry the newest weapons-systems for the foreseeable future. That begs the question; is it preferable to have ageing weapons on a nimble plane, or the newest weapons on a clumsy plane?
I don't feel Europe has the luxury of skipping the F-35 (or equivalents, which the Saab is not, AFAIK) for a successful successor, when Putin is going crazy with propaganda inside Russia.