exactly, currently those clone-pi are sold as a devkit basically, but they're essentially used like an official product which is 'illegal', I never got the idea

exactly, currently those clone-pi are sold as a devkit basically, but they're essentially used like an official product which is 'illegal', I never got the idea why the vendor did not certify their boards, it is really not much when they are shipping (tens of) thousands of these boards.