And plastic ending up in UV light or, apparently (https://news.ycombinator.com/item?id=37624070), in contact with water and especially hot water, all of which apparently break it down to micro and nanoplastics. I don't know whether it's coarse and rough, but it gets everywhere.

completely agree. legos last for DECADES. That shit ain't going in a landfill. they retain their value pretty well. if anything, its jsut another sequesterization method as far as I'm concerned.

those stopit plastic wrappers they put on everything though...