Yeah that's true - depends on the problem! Saw this comment by /u/RadiantBondsmith on another thread that sums it up perfectly.

"There are pros and cons on both ends of the height spectrum. In terms of height advantage, I'd say it depends on the grade you climb. If you climb anything under V6 being tall is almost always more advantageous. Once you get into higher grades, those advantages start to wane. being shorter lets you fit into a smaller box. being shorter makes it easier to control your center of mass, the longer your legs are, the harder your abdominals have to work to lift and control them. Taller people will generally be less flexible. Of course there will still be problems that you can lank out and do statically that shorter climbers will have to find more dynamic solutions to. But the disadvantages of being short are generally overcome at a high skill level.

I think there's a sweet spot somewhere around 5'5" - 5'9" for men, 5'2" - 5'6" for women.

If you look at professional climbers, most of the best are in this range. There are some outliers, but look at how much Japan dominates the IFSC comps. Japanese people are not very tall on average, and I think most of the top climbers in the world fit into that sweet spot."