If we're giving anecdotal evidence, I have about 4 Dell notebooks from 2011 to 2016, all of them are either broken or cannot function normally. So should i go a

If we're giving anecdotal evidence, I have about 4 Dell notebooks from 2011 to 2016, all of them are either broken or cannot function normally. So should i go ahead and generalize that all the machines in this period are bad? I said the price works for me because a 6 year old laptop still chugs along comfortably so the price gets amortized. I was not holding a measuring contest.