answer:Not necessarily ridiculous, but it would be a pain. Your options are basically to remove them, stain, and replace (possibly damaging the wall or floor) or try to tape them off and stain, praying the stain doesn’t seep under the tape (spoiler alert, it probably will). If you’re going to do it, I recommend the first option, and recommend keeping careful track of which board came from where. Baseboard Tetris sucks.