Even the slightest modification in the values of the fundamental constants of nature would lead to a drastically different universe.
But could the universe be better tuned to our needs? It could be, apparently.
But could the universe be better tuned to our needs? It could be, apparently. Consider the recently-discovered mass of the Higgs boson. The mass of the Higgs boson is 125.35 GeV with a precision of 0.15 GeV. That's a problem. As Stephen Hawking explained, "The Higgs potential has the worrisome feature that it might become metastable at energies above 100 [billion] gigaelectronvolts (GeV). … This could mean that the universe could undergo catastrophic vacuum decay, with a bubble of the true vacuum expanding at the speed of light. This could happen at any time and we wouldn't see it coming." Source: https://www.nbcnews.com/mach/science/stephen-hawking-fears-higgs-boson-doomsday-he-s-not-alone-n198766