(puts on flame shield)
Yes, I've heard all the defenses for the swerve, I just don't think it was worth it in the end. It defanged what we thought was an updated villain, and gave us one nobody remembers in Aldrich Killian. It the kind of thing that would happen in a Netflix Marvel serial.
I watch the above video, and save from the acting going a little too hammy in the 3rd lesson, they reallty had a base to really made this guy an intimidating and memorable villain in the vein of Killmonger, Tomes and Zemo. In fact he would have been Iron Man's Zemo in being a menace that strikes from the shadows.
I think the story could have given him enough nuances that would flesh him out more than a simple Middle Eastern boogeyman born of xenophobia.
The execution of the subversion doesn't trump what would have been if they had played it straight. At the very least, it would have made an Iron Man movie I'd have actually liked.