It is quite obvious to me that my body is the result of a long process of trials and errors. That's why some aspects are superb and some pretty stupid.
An intelligent designer would have combined the best of the designs such as giving us eagle eyes. He wouldn't create a potentially disastrous bottle neck where all our food water and air have to run through the same pipe. Excretion and procreation wouldn't be all together.
Then there are bigger flaws, like our backbone. It is obviously meant to be a suspension bridge, not a tent pole. And gender, think how much better things would work if everyone could produce male and female gametes. We could still swap DNA, but we could reproduce a lot faster if necessary.
Then there is the single biggest aspect of our design. Our mental processes and instincts aren't that different from the apes we evolved from. Most of our immoral behavior is the result of people acting on the irrational impulses we inherit from our ancestors. Those worked well to spread our genes in the natural environment, but are not conducive to living a good life morally.
For instance, why do people put so much effort into sex when they are not in a position to procreate? Because it's hardwired into our brains, that's why. You don't have to teach teenager boys to notice boobs, it happens automatically (usually
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Our animal instincts and limited mental functions are why we so often behave badly. If there were a Designer who didn't want us to act like we do it would be easy to change that part of the design.
But there obviously is no such Designer.
To me, this is the main "Problem of Evil". If we weren't born with the instincts of our killer ape ancestors there wouldn't be nearly so much evil in the world. That's God's choice to make every time a new baby comes along.
Tom