I don't think that 3x is going to get people to calm down.I dont think they are going to pack up their things and move on.
They waited weeks for this, preparing for an amazing event. The event got pushed back another week, which built up even more desire to have it. People planned ahead, took days off of work, stopped doing normal gameplay to work on breeding, made massive numbers of trades, etc. All the while planning for higher multipliers, mainly 5x breeding.
There is already a change.org poll on twitter for 5x. Everytime I open it, there are 100 new votes.
Personally I downloaded the update, then saw the breeding rates. I am still sitting on the menu screen without logging in. Even at 3x, I am disappointed enough to not even join a server.