The first link dates 2 years ago and the OP of that thread did not provide any evidence he found the flaw!
The second link directs to the famous scammer`s (he is linked to the creation of such scam coins as crave, stealthcash, etc) thread which is moderated!
So when you speak about flaws, provide any proof!
I think you'll find this is about dropping the monero price down further so the core cabal can buy back in.
Zero day discoveries with XMR are part of the dump cycle, thus all the scammers being involved in the theater that we are seeing.