WTFPL and CC0 apply to a tiny fraction of FLOSS software. More importantly, just because a chunk of code is published under CC0 on github that does not give yo

WTFPL and CC0 apply to a tiny fraction of FLOSS software. More importantly, just because a chunk of code is published under CC0 on github that does not give you any guarantee that such code is not already breaching an existing copyright. It happened in various occasions that closed source code was leaked into FLOSS projects and if you reuse it you are in breach of the license as well.