I'm still riding my 1980s Columbus SL steel frame Ciocc San Cristobal and driving a 2001 Honda Accord. I have a daughter to put through college and a mortgage to pay-off, so buying new bikes or cars every few years isn't a priority for me.

If a frame is well-made by a reputable builder, is should last for many years (if properly cared for) regardless of whether it is steel, aluminum, titanium, CF or bamboo.