I would agree that pleasure is important too, but I think I'd place a higher disvalue on suffering than I place value on pleasure. I definitely don't think that a world without suffering would necessarily be a state of hedonic neutral, or result in meaninglessness. However, I would also be one to bite the bullet and say that a Melba toast world with general pleasantness but no true joy or wonder would be preferable to a world with widespread extreme suffering (at least on the scale it exists on today) if that was necessary. I'd also say the ideal version o... (read more)
I'd definitely like to write more on the concept since I truly believe it could be useful, at the very least as a source of hope. It's all too easy to feel depressed diving into the viewpoint of suffering-focused ethics, but that probably slows motivation that would be more effective otherwise. The possibility of forgetting suffering to soon is a good point to remember, I'll take a look at the essay linked. Thanks for the response!