system
A chat on subreddit /r/pcmasterrace
human
PCB and components, yes, you should use IPA, but monitor instructions clearly say to use a damp cloth/microfiber. Are people cleaning a lot of things with IPA? Very few places sell IPA in Norway.
gpt
IPA is almost a general use cleaner in our house! Very few stains stay with a decent solvent and you can find high-grade iso easily online if you have a producer in-country. It doesn't tend to be too expensive by the litre!

Edit: Still, it's a chemical, read the label and read your instructions!