Originally Posted by CliffordK

Absolutely.

If my Colnago that I bought used 35 years ago should fail, the first I would blame would be the manufacturer. Especially since it is one of the first gen Colnago Supers, and may well have been brazed by the current CEO.

It is hard to say where the cutoff should be between fault of the manufacturer and fault of the end user. In my book 10 years old is still pretty new. But, there can be a lot of water under the bridge in that time period.