Isaiah 7:14 Therefore the Lord himself will give you a sign: the virgin will conceive and give birth to a son, and will call him Immanuel.
I think people were probably more ready for their Messiah to come during the times of the prophets than they were at the time when Jesus actually came!
The same can be said about the return of Christ – people were more ready after Jesus had been with them than nowadays.
Don’t put things off thinking it’ll never happen to you...