What you’re missing is the mountains falling on the earth, the scorpion like things that sting for months without killing and the two witnesses—all of whom come (among other things) before the antichrist. The two witnesses and who they are will be painfully obvious to everyone—it doesn’t read like a metaphor to me. When the antichrist kills the two witnesses, you will know the it is here.
So the Obama is the antichrist stuff is pretty much nonsense, imho.
John described the anti-Christ made up of a body of many members. Obama is just part of that body and plays a key role.
I John 4:3.
“And every spirit that confesseth not that Jesus Christ is come in the flesh is not of God and this is the spirit of anti-christ, whereof ye have heard that it should come; and even now slresdy is it in the world.”