Your prayers have been (partially) heard. The EU Battery Regulation of 2023 demands that starting February 2027 batteries in all devices have to be user-replaceable with commercially available tools (or for watertight devices or some special device categories replaceable by an independent professional), that replacement batteries have to be available at reasonable prices and that use of third party batteries should not be prevented

Lobbyists have worked hard to weaken the regulation, but it should still be a major improvement over the status quo