If this universe was designed for humanity then:
a) why is 99.999999% of the universe utterly inhospitable to life?
b) why is it so large that we can never physically or visit 99.999999% of it, even if we had a billion years and a really fast spaceship?
c) why have 99.99999% of former human generations who claimed it was designed for us not know any of the above. (1)