Comments by "Jim Mcneal" (@jimmcneal5292) on "We are unlikely to be in this universe, new study finds. Multiverse falsified?" video.

  1. 1) you're right that "many observers unlikely -> multiverse unlikely" is a faulty logic. 2)The fact that optimal lambda is 400 times higher than in our universe is still useless because we don't know how the probability of lambda being a specific value is distributed(i.e. maybe 400x from our value is not that far). Thus the only thing we can conclude is that it isn't optimal in our universe, nothing more.
    44
  2. There is actually a good reason to believe in existense of multiverse(and even hyperverse and outerverse), but a philosophical one. Because ontologically speaking, with time, as we delve deeper into observing and researching our world, every time we find things out there, and in greater numbers. Once people believed that there's only one continent surrounded by water. Turned out there are 7. Then people believed that Sun is the only star, turned out that all of them are like sun(and even with naked eye we can see thousands, and 100 billion in milky way). Then people believed that there's only one galaxy, and turned out there are 2 trillion even in observable universe only(yes, more than stars in milky way). So it's expected to find many other universes in very great numbers, later on find other multiverses in even greater ones, and so on to infinity
    1