https://www.metv.com/stories/initial-unfavorable-reviews-of-gilligans-island-didnt-hurt-the-cast-and-crew-it-encouraged-them-to-work-harder

The negative press had quite the opposite effect than was intended.

Before starring in Gilligan's Island, Russell Johnson refused the role of The Professor (https://www.metv.com/stories/before-starring-in-gilligans-island-russell-johnson-refused-the-role-of-the-professor-multiple-times)

"They called and asked if I wanted to run a test for the part of the Professor, and I said no," said Johnson.

Russell Johnson harbored a hatred of horses — and they hated him back (https://www.metv.com/stories/russell-johnsons-harbored-a-hatred-of-horses-and-they-hated-him-right-back)

One good thing about Gilligan's Island: No horses.