"If something happened 2000 years ago, how come there are no surviving records to our day but the only records we have date back to 1970 years ago?"
This is the entirety of your argument. Do you find it compelling?
Meanwhile Plato's earliest manuscripts date back to 14c after his death but no sane person would dare say Plato didn't exist.
"If something happened 2000 years ago, how come there are no surviving records to our day but the only records we have date back to 1970 years ago?"
This is the entirety of your argument. Do you find it compelling?
"If something happened 2000 years ago, how come there are no surviving records to our day?"
This is the entirety of your argument. Do you find it compelling?