That looks like cut and paste. Everything looks flat, no dimension. And many of the leaves seem to have a repeat pattern, like wallpaper.
Looks like poison ivy....
The hands are not in proportion.
The distance between the bottom of the nose and the upper lip is too long.
The forehead is too square.
The real Obama’s forehead gets smaller widthwise as it goes upward from the eyebrows.
The lips are not purple.
Racist violence.
Obama Portrait Artist Also Painted Black Women Holding Severed White Heads