In short, we aren’t on track to an apocalyptic extinction, and the new head is concerned that rhetoric that we are is making people apathetic and paralyzes them from making beneficial actions.
He makes it clear too that this doesn’t mean things are perfectly fine. The world is becoming and will be more dangerous with respect to climate. We’re going to still have serious problems to deal with. The problems just aren’t insurmountable and extinction level.
It’s how you go about that that gets political. Just an example: Nuclear or Solar? EVs, bike lanes, or public transportation? I know you’ll say it doesn’t have to be one or the other and there’s no one size fits all answer, but you bet your ass when money is involved it’ll get political.