Yeah I don't like simulation theory because it assumes that technologically advanced societes would run simulations. It's not guaranteed at all, it's a weird assumption to make in the first place given that the best thing we have, which is VR, is not a simulation of any universe, it just tricks us (not the simulation itself) into thinking there is one.

I've always thought that reality is something that just is, because if this were a simulation then there must be a true reality outside this one, which begs the question why ours wouldn't be the one true reality.

We, or at least I, don't know why there is a reality in the first place and why we get to experience it. I think that reality is either 1. something that just is and life is just a random coincidence, which will later end and will never recover, 2. an almighty god just exists and created us for some purpose, or 3. there is a circle of life, people living out lives and being reborn, the universe living a life and being reborn, for reasons nobody can explain.

In conclusion, reality is weird because we are conditioned to always expect there to be something (how can there be literally nothing?), but also that something to be somewhere. We are on Earth, Earth is in our galaxy, our galaxy in a cluster and so on. Therefore we expect the universe to also be somewhere, created by something, and that brings out interesting theories.