>Why do people even buy QT Commercial? LGPL is a very easy license to comply with.
Qt is used a lot on embedded devices (i.e. car infotainment systems, smart TVs, smart appliances, etc). Complying with LGPLv3 means that the user must be allowed to reverse engineer the product and upload a modified version of the software to the product. This blocks practices such as firmware signing, so a lot of companies would rather pay for Qt than comply with LGPLv3.
Qt is used a lot on embedded devices (i.e. car infotainment systems, smart TVs, smart appliances, etc). Complying with LGPLv3 means that the user must be allowed to reverse engineer the product and upload a modified version of the software to the product. This blocks practices such as firmware signing, so a lot of companies would rather pay for Qt than comply with LGPLv3.