Probably, but nothing is to stop a manufacturer from just doing this artificially and it would be hard to prove it one way or the other, since the end user woul

Probably, but nothing is to stop a manufacturer from just doing this artificially and it would be hard to prove it one way or the other, since the end user would never have enough data. If $1,000ish every year was a reasonable cost based on increased warranty risk, that is a big increase in risk!