I suspect that it may be worse if they didn't solder given that it is in a vibration prone environment. The underspeccing for wear is more of an issue than the

I suspect that it may be worse if they didn't solder given that it is in a vibration prone environment. The underspeccing for wear is more of an issue than the soldering in my opinion since if you are dealing with chips anyway you are already pretty damn elbows deep into a specialized area.