If we could solve climate change purely technologically, I wouldn’t feel let down by the fact that we solved climate change. I would absolutely support solving it in that way.
I would also feel frustrated by the knowledge that there were many people who were willing to sacrifice unimaginable numbers of humans and animals for the sake of making more profit for themselves, who were not held to account for their actions. If a person acts in a way that they should know will lead to future suffering, the development of an unforeseen technological solution to that suffering should not wipe their moral slate clean.
Trying to kill someone using a non-functional weapon, that you believe is functional, is not morally equivalent to taking no action just because it didn’t have an effect.
I would also feel frustrated by the knowledge that there were many people who were willing to sacrifice unimaginable numbers of humans and animals for the sake of making more profit for themselves, who were not held to account for their actions. If a person acts in a way that they should know will lead to future suffering, the development of an unforeseen technological solution to that suffering should not wipe their moral slate clean.
Trying to kill someone using a non-functional weapon, that you believe is functional, is not morally equivalent to taking no action just because it didn’t have an effect.