As I see these conditions are more geared towards letting players see how well their machine runs the game than letting them decide if they like the game or not.
Two hours should be enough to do some troubleshooting or deciding that it’s not worth the hassle.
Then, of course you can also beat Sekiro and ask for refunds
This is what we do too, minus the poisoned water. It’s just a one-way trap made with some cloth net and plastic bottles.
It takes a while to make a difference but eventually the population of mosquitoes should decrease (unless they are reproducing elsewhere)
https://www.youtube.com/watch?v=FeAhWBTE9GI