The most probable explanation is that Gan 3x3s are actually the best on the market, by a very small margin. The cube might make the difference between a 6 second average and a 5.8 second average, so for people like Feliks and Max that matters. For anybody else it’s just throwing money away. Feliks and Max are highly coveted by cube advertisers, and never have to pay for speedcubes, precisely because people want to use the same cubes used by the best. It’s all marketing.Please explain why top cubers like Feliks Zemdegs and Max park endorse them.