Your LttP cart, assuming you already changed the battery, could have a bad SRAM chip. You can FRAM mod the cartridge to both save it and remove the requirement for a battery at the same time.
Also worth checking all the traces from the cart connector to the SRAM chip.
I don't know if corrupt is quite the right word. They all certainly engage in heavy amounts of corruption to gain their power, but they also heavilly engage in other horrid practices to the same end, such as exploitation of their collective workforce, userbase, and supply chain.
The root of all of this, of course, is capitalism, which not only enables, but encourages this sociopathic power-seeking behavior.