Interesting, isn't it?

You might disagree with this answer
After the presenter revealed a red herring there is a 1/2 chance of getting the right choice anyway..

But when you chose the first picture there was a 1/3 chance, it doesn't matter what the presenter is doing
So the last picture remaining has a 1- 1/3 = 2/3 probability...
So you double your luck by changing





Both explainations seem somehow logical
But only one can be true...

Logical paradox
What do you think about this?

Enter the name of that famous paradox.
Format: XxxxxXxxx