Sure Pete could do that but I doubt he's foolish, insane, or evil enough to corrupt true meaning of the rainbow like the Dems/Left/LGBT do.
And I witnessed something awesome a year or so ago at work that reminded me of The Promise. After a rather hard rainstorm a HUGE rainbow appeared and it lasted almost a half after the rain stopped. Here's the thing; the sun was barely shining through the clouds. In other words there wasn't enough moisture/rain the air OR sunlight to cause the prism light light bending effect to explain away such a large rainbow or how long it lasted.