Originally Posted by bradharris
On my home course, I don't need it.
But on other courses, I always look at the distance before deciding what to throw. I know about how far I can throw each disc on different lines, so knowing with certainty how far away the pin is is really helpful in disc selection.
I also find that I struggle to accurately judge distance on my own, so trying to make those selections by sight alone often does not turn out well for me.
Pretty much this. I can figure it out without hole lengths, but depth perception is sometimes tricky with different baskets installed at different heights with different kinds of foliage around. Having the hole lengths makes it a little easier to pick a disc the first time you throw a hole.