Thank you so much for your kind words @agmoore, I don't know as much as I'd like to, and certainty far far less than Lemouth.
If anything, I'd say he's trying to speak a simple language that I can understand, because if he starts speaking his language I'd barely understand anything. :p

Some things can change without causing big effect. Other things, the slighgest change can cause massive effects. I'd say it's probably the latter for most of those fundamental constants.

They could be related to the matter-antimatter imbalance at the begining (baryogenesis). In which case, it's a universe vs no universe situation for even the slightest of a change.