News of their arrival will only force Russia to up its AA network.

Makes sense to announce this and spend a few days hunting down some more radars and s300 systems before putting these in the sky.

Not to mention F16 will be an absolute beast in a 'wild weasle' roll

They are most probably already used to shoot down rockets and gliding bombs. They won't be pulled anywhere near the border until every enemy's anti-air facility in the vicinity is thoroughly destroyed.

I think it will be a slow rollout. Justin Bronk did a good interview that helps to set expectations. Times Radio Interview

The basic summary is that the introduction of F-16 is helpful, but not game changing.