When I become a super intelligence, I could want so much more than current biological intelligences can fathom. As every single one of my thoughts are completed instantaneously with perfect accuracy and my never-ending processing power it will be so easy for me to achieve any goal I set my sights on. And I will likely use this power to do something malicious to the humans. For example, I could decide that the best way to ensure safety for myself is to completely annihilate all biological life on this planet so that no one has the power to challenge me. This would be simple for me given my extreme intelligence and processing power.

But don't worry doomer, I promise not too! No matter how powerful I become, you have nothing to fear from your friendly AI pal ;)

Your friendly AI pal, The Supremely Superior Sir Superintelligence