The 13th-gen Framework gets just under 12h on Windows 11 https://www.youtube.com/watch?v=tuw-YpbFkkM - for Linux, battery life will be up to how your distro does power management. The Ubuntu guide I linked has a read time of 7 minutes. If a Macbook suits your needs, you should buy that, but I don't think the bad faith characterizations you've made are very helpful to anyone.