> I don’t face any copyright issues from writing code that resembles something in Windows. I never had access to its source code, so any similarities have to be purely coincidental.
> A BSL project could say, hey, look at this guy stealing our code!, even if I’ve never seen it. I could have, and that opens a plausible risk I wish I didn’t have.
By that argument, you could have looked at Windows code too, since Windows source code has leaked multiple times, and 5 minutes of searching will find it.