[EMIRELADERO]

That's just a myth. ReactOS routinely uses IDA to inspect actual Windows binary logic.

[mrguyorama]

Disassembling a binary is "clean room" reverse engineering but looking at leaked source is not.

Or, at least, that was what it was in the 80s.

[josephcsible]

I know that Microsoft employees have accused them of such things, but is there any real evidence of such, or even anyone unaffiliated with Microsoft who can corroborate?