There are plenty of Warby Parker equivalents, and they get a brief mention in the article. Lots of western companies sell "open mold" parts, where an OEM sells generic components for resellers to apply their own branding to.

Some of these resellers have excellent reputations - here in the UK, Planet X are extremely popular amongst serious racers. There is a crucial difference between these products and an unbranded product from Aliexpress. Western sellers are obliged to perform product testing, they have a brand name to defend, and they can be sued.