Are you sure it's only since July this year. That site is several years old.

I recall being escorted through a dedicated security lane when I flew F with Swiss in 2007 - and I recall thinking how redundant it was, since the waiting time at the other lanes was negligible. IIRC there was no way for F passengers to bypass the outbound immigration lines, which (as others have pointed out) are more of a bottle neck than the security.