The beleif that humans can alter the climate strikes me as incredibly arrogant.

"Otherwise they are either incredibly arrogant and out of control, or somebody's incredibly stupid."

He had become incredibly arrogant and was unable to see past his own pride and belief in his invincibility.

There was something incredibly arrogant about Printers Three.

"It happened because the Red Cross was incredibly arrogant and nationalist."

It was an incredibly arrogant pose, and he knew it, but he didn't really care just at the moment.

"The entire notion sounds incredibly arrogant when I hear it out loud."

Either that or it was incredibly arrogant.

If they are being incredibly arrogant, then it means they have some assurance we can't hurt them.