Many times, a board will maintain that they have full confidence in a CEO right up until they actually fire him. Their non-binding vote of confidence means nothing. Just as one example:

- July 25: Amid the Deepwater Horizon disaster, BP publicly stated that Hayward had the board's full support.

- July 27: BP formally announced that Hayward would step down as CEO, with Robert Dudley replacing him.

Similar situations with Bob Chapek, Travis Kalanick, the Boeing CEO in 2019 when all those crashes were happening, Carol Bartz, Bob Diamond...