It ignored the power relations that inform a ban on landmines. Only those nations whose technology is advanced enough not to need such inefficient weapons. I'm sure the US army with its arsenal of cruise missiles and stealth bombers will not miss the landmine too much. In addition, NATO or the US could find a reason to break the agreement if they wanted to. If a country like Iran did the same thing it would be castigated.
All weapons are terrible.
Before the Second World War bombing was taboo. Now it is routine. Certain weapons switch from being acceptable or unacceptable according to the whims of the time. You seem to have accepted precisely the myth that legitimates genetic engineering. No, more science.