A good laugh 
https://archive.is/lQCHp
Nobody intelligent is going to take these clowns serious if they keep posting nonsense like that. Fork off already guys, nobody needs nor wants you here. That's your freedom of choice, not 'multiple implementations' that you're talking about. https://archive.is/lQCHp
Quote
On Black Friday, with 9,000 transactions backlogged, Peter Todd (supported by Greg Maxwell) is merging a dangerous change to Core (RBF - Replace-by-Fee). RBF makes it harder for merchants to use zero-conf, and makes it easier for spammers and double-spenders to damage the network.