I believe you are referring to Nick Bostrom, who first postulated this in 2003. I don’t think you “figured out” anything new. He went into much more detail in his book “The Simulation Theory” published in 2022, which covered ideas he’s had since the late 90’s.
You may not be old enough to remember this famous video by Phillip K. Dick in 1977 in which he first postulated the simulation theory. I remember it well. Check it out:
BTW: none of this means anything at all. Remember the Zen proverb:
“Before enlightenment: chop wood, carry water. After enlightenment, chop wood, carry water. “