[joan_kode]

It's obviously not supposed to be a disclaimer of any legal value, judging from the sentence immediately after your quote: "I might take down these tracks or add more depending on the number of lawsuits I get slapped with". I don't particularly condone this attitude, but at least it's pretty clear. Either you slap him with a lawsuit/DMCA and the tracks will be removed or you don't and they probably won't.

[phantomshelby]

Hey OP here, the tracks I used are taken from https://www.youtube.com/user/gamingsoundfx which is kinda a royalty-free stock audio library, I realise now that my statement that was funny when I wrote it might come back to haunt me dreams so I am gonna update it, Thanks for letting me know

[skocznymroczny]

I wouldn't describe it as 'royalty-free stock audio library'. It's obvious many sounds aren't free to use, be it rips from games or TV shows.

[devenblake]

The DMCA process with GitHub and most hosting sites is very straightforward and mostly automatic, I don't see why it would be a problem. With most older works it's nigh impossible to figure out who owns the copyright anyway.