It's not like climate change is or should be our only concern. Not doing anything against any of humanity's problems could be considered a harmful waste of time and talent maybe.
I agree 100% with you on this. I think the idea that talented people have a moral obligation to spend their time trying to solve humanity's problems or advance our consciousness and curiosity should be much more widespread. Look at where all the ivy league grads are going. It's kind of sad to see.