The context was you saying "they have to pay through the nose for replacement parts" and exabrial's downvoted reply, to which you replied "That LED light you ca

The context was you saying "they have to pay through the nose for replacement parts" and exabrial's downvoted reply, to which you replied "That LED light you can buy for a few bucks doesn't guarantee eight nines of uptime if you keep to the maintenance schedule". I don't know anything about this stuff, but your arguments have not been coherent.