You are of course correct. The shop suffers from multiple issues, its poor readability being one of them. Unintuitive item grouping being another. Or there being no quick way to verify recipe prices (you have to mouseover). Or hotkeys not matching between main shop and the side shop.
I love this game, but it's niche status makes the amount of polish it has incomparable to a big game like dota where everything is much simpler. Hon will always be dota's janky older sibling that just can't catch up with modernizing features.