Not entirely true and once again depends what country you live in. Since I live in Canada a license or EULA can not excluded first purchasers rights written into law as to sovereignty of law. Just because a country amends a law does not mean that another country needs to abide by the amendment such as the DMA for example.
In my country it is a right to sell so called IP as property paid for in full as ownership be it software or a book as being used. EB games for example has been selling used games for years in a manner that most would deem being in violation of the EULA and you can from time to time buy used X-Box games at 7-11 along with your Big Gulp.
So yes as far as Canada goes you are buying the software and the software developer has no rights as to changing written law because it suits their needs.