I think you will need to make the transition from negative nihilism to positive nihilism.
Aside from that I don't think I'm really convinced that interpreting the quantum wave function collapse when observed as the world not being loaded when you aren't looking at it is accurate. Even our best explanations could likely be a misinterpretation of what is really happening.
This channel is great by the way. https://www.youtube.com/watch?v=FP6iyVJ70OU