I'd rather answer what I hope than what I suspect: Some time in the future.
Its a bit had to say for me.Most of my SAKS are fairly recent.What I would say is that Wenger may just be coming of age.I have a Buck Wenger,and its not a patch on the more recent Evos.The only older SAKs I have are a Motorist,with a square profile philips,and a 84mil Golfer with a small clip point blade.Cant say I see much difference,except that the modern scissors are a bit better.I do however think that Vic will be being foolish if they discontinue the alox ranges,rather than expand them,maybe using the inspiration of the master modders here
I have a 25 year old, from new, climber and it feels the same as the new ones. I think the peak will be reached when they start making smaller multitools.. Think of a LM juice with victorinox quality and scissors..
They could offer locking and not locking variants. Or UK might change the laws. Here, most attacks or murders involving a blade are from kitchen knives. Every house has them, they are readily available, and some kitchen knives are very aggressive, full tang and everything. One could make such a damage with that 30cm Tramontina spear point no SAK would ever do. These laws always give the advantage to the law breakers. They'll conceal a lock blade or an AK 47 while other citizens just rely on their fingernails for protection. But that's off topic, sorry!