It's one of those things, that is very easy to get talked into, "more is better" but as we know there is always a sweet spot, and going beyond that, has little to no benefit.
And for 1080p that seems to be 8GB. For 4K that seems to be 16GB. As shown by many benchmarks comparing 16GB of RAM vs 128GB of RAM for even 4K work has little benefit. But how is someone looking for advice on how much memory to get and gets told "max it out" or "get as much memory as possible" supposed to know? I am not a YouTube reviewer that buys 8GB, 16GB, 32GB, 64GB AND 128GB of RAM and tests them all out. So as someone that NEVER used 128GB of RAM before, I did not know it would be little to no benefit on 1080p editing.
I can't know something without learning or being taught. But people are flooding me stating "I should have known". Why do you think I asked for advice on RAM when I did? I was told to get as much as possible and max it out if I could. So I did. And it was no benefit. So I learned that my use case is fine at 8GB for 1080p, which is why people need to be more careful with more memory the better comments. I stress my system hard with my 1080p work and its fine with 8GB of RAM. Someone just using Microsoft Word doesn't need 16GB of RAM.
We are not talking about systems that do dozens of virtual machines, heavy statistical analysis, complex 3D modeling and more. These are entry systems and the lowest spec ones at that. We are not talking about Mac Pro level of performance here. Sure if you do massive statistical analysis you probably do want maybe the 1.5TB of RAM that comes with the Mac Pro depending on your workflow. But they would not even look at these systems to begin with.
While getting certified for my job I watched many online courses on video editing that all had the same line of thinking that 8GB is the sweet spot for 1080p....and this was after I asked for advice and got 128GB of RAM.