This is likened to using an outdoor leaf vacuum in the flowerbed, yes you might get some leaves, but the flowerbed is now a ruined wasteland where the weeds can flourish.
Few if any terrorist attacks of late have been found to have been organised using encryption, our politicians are either not fit to make these decisions due to stupidity or some shadowy ulterior motive.
I'm not surprised France is leading this, they've been heading inexorably toward the right wing for years now, having forgotten the lessons of their post revolution years or Napoleon shortly after. Britain much the same, still basking in righteous afterglow of being in the winning side of WW1 & WW2 it believes any step it takes will be the march of the just and the righteous so much it forgets to look where it's walking.
I'll loose all faith in humanity of Germany follows, it's darkness is not long past the recent unification.