Да, цена вопроса -- право модифицировать и распространять позаимствованный код и производные от него произведения в любом виде. Любая попытка копирования, изменения, сублицензирования или распространения Программы иным образом, чем указано в Лицензии, ничтожна и автоматически прекращает предоставленные по лицензии права (п.4 GPL v2).

4. You may not copy, modify, sublicense, or distribute the Program except as expressly provided under this License. Any attempt otherwise to copy, modify, sublicense or distribute the Program is void, and will automatically terminate your rights under this License. ...

5. You are not required to accept this License, since you have not signed it. However, nothing else grants you permission to modify or distribute the Program or its derivative works. These actions are prohibited by law if you do not accept this License. Therefore, by modifying or distributing the Program (or any work based on the Program), you indicate your acceptance of this License to do so, and all its terms and conditions for copying, distributing or modifying the Program or works based on it.