In addition to changing to roasting, and depending on how old you are, brussels sprouts may have literally been different when you were a kid [0]. Dutch biologists worked to alter the sprouts we eat and have changed the bitterness. That's why they've had such a renaissance. I never had them as a kid, but I distinctly remember my brother making them at Thanksgiving around 2010 and we were shocked at how much we enjoyed them and couldn't figure out why they had such a bad reputation in pop culture.

0: https://www.mentalfloss.com/posts/do-brussels-sprouts-taste-...