Yeah I think it's just not the right product for you. Different people have different price sensitivities, both overall and relative across product categories. I only buy store brand orange juice because Simply Orange® or whatever isn't worth the price to me, but other people love it. Meanwhile I used to buy $80 bottles of scotch (before I quit drinking) and I spent $1200 on an office chair 20 years ago and paid to have it repaired when it ultimately broke because I don't want any other chair.
I have the SecretLab Magnus desk with some magnetic cable management accessories and LMG's pricing seems at least competitive with, if not better than SecretLab's: https://secretlab.co/products/cable-management-bundle?sku=Mag-CblBdl-Stealth.. $50 for the equivalent of 4 larges, 3 smalls, and some cable ties. And I bought it. ¯\_(ツ)_/¯
It's a premium product. If it's not worth it to you, you're not wrong. But people who feel it is worth it to them aren't wrong either.
All that said, I sympathize with the sense of disappointment you're feeling to discover yourself priced out of a product you were excited about.