There are limits to how much programs can be parallelized, see Amdahl's law. Even if Moore's law technically continues, the extra capacity isn't adding the same amount of extra value to the workflow of end users that it once did. Here's a video that talks about diminishing returns as it relates to graphics in computer games https://m.youtube.com/watch?v=VUCYAws6oW0. Diminishing returns in regards to polygon counts themselves have also been discussed: https://www.polygon.com/2013/12/10/5192058/opinion-stop-dwel...
Also, even if Moore's law remains in place for now, it will end at some point and the world needs to think about what happens afterward.
Also, even if Moore's law remains in place for now, it will end at some point and the world needs to think about what happens afterward.