I think the real issue is the old cable wrap design that comes with no visual instruction on how to use it. Most people with frayed cables I've seen pull the ca

I think the real issue is the old cable wrap design that comes with no visual instruction on how to use it. Most people with frayed cables I've seen pull the cable tight from out of the adapter and start wrapping, when it should stick out a bit then slightly bend with a relatively loose wrapping. That isn't just apple cables, every audio cable (live performance cables, xlr and quarters) I've used will break if you wrap it too tightly. That said I have also never had fraying issues with my apple PSU's and I've had a MacBook as my primary computer since 2006. Now it doesn't really matter as they just use a standard USB-C cable so you can use whatever brand cable you want.