Being an engineer, I like to think about designs and how they can be improved so I started thinking about the human body and it really is far from a perfect thing:
1. Allergies and autoimmune diseases:
The body accidentally attacking itself or something that doesn't need to be attacked. Ya sounds pretty dumb, right? That's because it is. This aspect of the human is in need of an update, pronto. I mean we really need a better system so that our immune cells can distinguish good from bad because the design right now kind of sucks, it works but could definitely work better.
2. Cancer and other Genetic diseases:
DNA damage causing out of control tissue growth, eventually leading to death or causing flawed manufacturing of the design. If DNA is really our design blueprints, why did this creator not have better ideas of protecting his design blueprints so that f'ed up designs don't get produced? How is this not better handled? How can a break on this small level end up killing us? Obviously, the designer didn't think about the possibility and repurcusions of design blueprints being damaged while he was thinking of this system.
3. Respiratory and digestion symptoms linked:
Who's idea was it to put the same tube we use for breathing branching off the same tube we use for eating? The designer must of thought that saving that little bit of extra room by merging them together shortly after the mouth area would save bodily area, meaning we'd use less energy to sustain ourselves (good intentions I agree). But this intelligent creator failed to think about the possibility of digestion material unintentionally going down into the respiratory tract which causes complete breakdown in the design and ultimately a dead product. The creator obviously didn't completely analyze this edit and all of its impacts when it was decided upon to implement it. It definitely needs a new revision....
What's with the seemingly pointless device known as the appendix? Maybe leftovers from a past revision? Either way, it has gotta go because it causes problems.
And now time for the most awful and painful mistake this 'intelligent' creator has implemented in the current design:
Seriously, what kind of demented designer puts seemingly pointless hair at the exit of the design's waste removal system? Maybe it was good-intentioned to keep possible invaders out, but the designer failed to think about what this added hair keeps in. Again this is another instance of an addition that wasn't fully analyzed before being implemented. There was definitely a failure to recognize that waste could become trapped and waste that becomes trapped is waste that was not successfully evacuated. This can result many unpleasant nights attempting to evacuate waste from seemingly pointless added hair so as not to completely block evacuation exit and thus destroy the design as excess waste accumulates within.
Obviously, these points prove one of two things. Either there is no creator, or....the creator definitely is not perfect....either one of those points goes against any modern religion's views of God. We in and of ourselves disprove this God. I mean, if we're made in his image, obviously God's not perfect either right? Either God made mistakes designing us, or, it was done intentionally which makes him an a$$hole...
Anyone else got stuff to add to this list, feel free. I know there are a lot more haha!