The other day a professional gamedev was arguing with me that's Transform.GetChild to get a reference to a component was not a bad practice. His argument is that it's what every other firms in his area is also doing. I do hope that was not the truth and he was just trying to win the argument.

For solo hobby dev it is a lot more acceptable. After all they're also terrible 3d modeler, concept artist, musician, writer, marketeer, community manager,...