4-6 weeks waiting for a replacement frame sounds in the lurchish to me!
Not really. A new frame assured, and it takes about that time to get a new frame if you purchase a brand new bike so I don't see how they could do better given UK stocking etc.
I had a uninsured Nomad go under a uplift trailer and SC gave a replacement frame at crash replacement price. Pretty damn good.
On the contrary a mate with a snapped aluminium Lapierre rear had to battle with the local dealer for five weeks first before finally getting agreement from Lapierre to replace that took another 4 weeks.
Had an Original aluminium Blur XC many years ago with bearing issues, SC sorted that no problem no questions asked.
SC have always been excellent to me when Warranty called upon.