I remember hearing GOG does a lot of extra work to make their games run better, so then it makes sense that their programmers use C++.

You’ll always get better value for money buying second hand. In most cases the battery will be fine, but if you find it too degraded you can just buy a new battery and still be ahead. Slightly older hardware is more reliable and compatible than brand new if you do some research, especially for linux as drivers have had time to catch up.

Yes, it looks like TLauncher is the Pirate version.

It’s based on crash logs so you’re assuming all OSs have the same rate of crashes, which is probably false. Edit: yes I meant OS not OP