Just open the page and then browser's developer tools, make it reporting us as Windows, and it just works after reloading.
Or better yet, just don't buy Logitech products and look for non hostile brands
Sure, 100% with you from a technical POV.
But Logitech is looking at it from a product management lens, and deciding they don’t want to support a heterogeneous mess of a web API for a niche user base that already has their own parallel tooling.
logiwebconnect.com is not some cherished keystone of their product suite either, afaict.