Yeah, and I'm not sure I really buy everything they say there either. For example, "unfortunately that means sending more operations down to the file system" se

Yeah, and I'm not sure I really buy everything they say there either. For example, "unfortunately that means sending more operations down to the file system" seems a little tough to swallow. There's no reason it has to be that way for file systems they control, which I dare say is the case for almost all their users. They could just implement separate APIs that optimize the cases where all sides of the equation are well-known, and only fall back (as they mention) when there's an unknown somewhere. (Not that I'm suggesting these are easy. Just commenting on the technical premises they're providing.) Also they said "That doesn't mean we've given up either", but you really have to do some mental gymnastics to convince yourself that moving to a VM wasn't "giving up" on solving these problems in WSL1.