Crucial and Perfect Point in History

Why do you think Jesus came at the exact point in time when He did? Why not thousands of years before, like directly after the fall of man? Why wait so long to finally send a Savior? Why set up a system, requiring millions of believers to perform rituals to absolve them of their sins? Why make the world wait in anticipation of His coming, instead of giving everyone the joy of it already having happened, like we have now?

Or why not thousands of years after He came, like during an era when we had cameras or cell phones to document His miracles and prove to millions that He was who He said He was? Was it because He wants people to believe by faith and not by "proof"? Or maybe because it really wouldn't matter. Even with photo or video evidence, people still wouldn't believe it. They'd say it was edited or a hoax.

What was so crucial and so perfect about that exact point in history? Was it the mid-point of life? Could we extrapolate the end of the world by calculating the time before His birth and after it? I know we'll never know the answer, but the question is still interesting to ponder.