Libertarianism is a traditionally left wing philosophy that started in the 1800s. They’re also typically pretty big on human rights and equality.
The more modern America-centric “tea party” libertarians fit what you’re saying, but they didn’t create the term.
Steam Deck compatibility has a much higher standard since it requires the performance being good, gamepad support, etc, and even that’s at 40%. General Linux can’t be less than 95% for games that don’t require kernel level anticheat. Try checking a random sampling on https://www.protondb.com/.
Earlier today I googled how to toggle full screen in dosbox-x and the AI-generated answer said to use alt+enter. Tried it and it didn’t work, so I look in the documentation and it turns out that they changed it to F12+f a while ago (probably to avoid interfering with actual dos input).
This is definitely already a problem.