It is likely that GPS chips are programmed by the conspiracy.

Isn't the whole Flat Idea so wonderful? Any evidence you can't explain you can blame on "the conspiracy"!

You don't convince anyone, just make yourself look ridiculous.
Like the existence of the South Pole - oh no that's just "the conspiracy" or
the air routes in the Southern Hemisphere - oh no, the airlines are part of "the conspiracy".
It really is laughable.