Not saying you're wrong, but every saw I've ever bought new has been used for several years; well in excess of 25 hours...Craftsman, Poulan, Stihl. We may spend several weekends a year felling & bucking trees, all with the same saws.Chainsaws are rated for hours of life. It lasted 2 years from not hardcore everyday use. If you used it everyday/all day, it would not have made it that far.
Domestic use chainsaws have an average life span of only 25 hours.