Really unnecessary fud. Of course several implementations can be coded with high quality that conform to protocol rules.

kilianbuhn

"... many consider this form of competition risky, as it may increase the chance of unplanned chain splits, caused accidentally by different consensus rules. The alternative client needs to match the consensus behaviour of the software users currently run, even matching bugs or unintended behaviour in the majority client." 

bitcoin

Who's the owner of the Bitcoin Github repo? How did they become the owner?

satoshisat

"... many consider this form of competition risky, as it may increase the chance of unplanned chain splits, caused accidentally by different consensus rules. The alternative client needs to match the consensus behaviour of the software users currently run, even matching bugs or unintended behaviour in the majority client." [-Bitmex Research](https://blog.bitmex.com/bitcoin-cores-competition/)