I posted elsewhere a comment about the intellectually dishonest attempt to posit some sort of similarity or equivalency between Obama and Trump. I'll add two things here:
1. Your defense ("Oh, yeah, but what about ...") is an attempt to deflect the original criticism, but in fact concedes it by not responding to it.
2. I understand that anyone who posts drivel like "Obama's support for the muslim (sic) brotherhood" is not interested in facts. However, some readers may be interested in this summary of the false accusations leveled by right-wing nuts against Obama over the years: http://www.factcheck.org/2017/01/eight-years-of-trolling-obama/