He said there would be 4 more in a tweet, not there would be only 4 more. And how many "educated guesses" have been wrong? So far, absolutely nothing has been made clear. We were also told 80 power discs, that's it, and now we know for a fact that was wrong. I'm unclear why people keep making these assumptions at this point when so many previous assumptions have been wrong.
Maybe you have unlimited funds to buy anything as it comes out. If so, lucky you. But if I'm going to shell it out hundreds of dollars, it's really helpful to know in advance. If it's not a huge issue to you, then don't worry about it, but to a lot of us it is.