I don't understand why that's disturbing. It's the consequence of interfering with your brain's ability to form memories. That could be disturbing, but only if

I don't understand why that's disturbing. It's the consequence of interfering with your brain's ability to form memories. That could be disturbing, but only if you ignore the fact your brain is always in a state of constant memory pruning anyway. Being blackout drunk or drugged is only changing your percent of discarded memory from something like 95% to 100%.