> And you've got all that while backing into the spot,

Not really

> plus you have to not hit 2 more close obstables that are behind you, in your blind spots.

If you didn't hit it in your mirrors, you won't hit it going in unless you did something horribly wrong.

And frankly if you have problems backing in into a spot you shouldn't have driving license as you clearly don't have enough control of the vehicle you're driving to be a safe driver.