If my great-grandparents 10 generations back didn’t copulate at just the right time (and millions of other interactions since then don’t line up), the chances o

If my great-grandparents 10 generations back didn’t copulate at just the right time (and millions of other interactions since then don’t line up), the chances of a “me” existing over there are nil. Same for all of us. So maybe there is another dimension, but it has virtually no relation to this one (everything I said about “me” would also apply to the earth, the sun, etc).