I've used just about every guide stick made, currently have a Werner. I have one because the company I used to work for required you to use a guide stick, let's not get into their rationale. There great for big water andall, but as you gain skill your using the river as much as possible. That would be like saying a big strong guy is a better guide then a smaller women, because I can move more easier, not even close. Lots of Colorado water is so rockie most of the season your just beating the crap out of it anyway, plus when you crash and burn, if you disgracefully drop your stick after a flip, you can always grab a custy stick fast that way no one ever needs to know hahaha.
Don't get me wrong they are nice, but it's the poor craftsman that has to blame it on their tools. And totally not needed for R2.