My older laptops died quickly, with pretty bad hardware faults within 2-3 years. After those first few laptops, I have a 2011 MBA that's chugging along fine (m

My older laptops died quickly, with pretty bad hardware faults within 2-3 years. After those first few laptops, I have a 2011 MBA that's chugging along fine (manually replaced the battery), as well as a ~2016 XPS 13 9350 (also manually replaced the battery) and a 3 year old Gigabyte gaming laptop that are all working fine. So for me I'd say mean time to failure has been increasing.