No, I've witnessed lightning start a fire. And so have many others. You have no basis to deny this natural occurrence. Even climate change deniers can't disagree with this. Its not even up as part of a climate change debate. At best, you're just plain wrong; at worst you're simply committed to a useless narrative which blinds you from actual truth.

Insulting natives for lighting fires shows complete disrespect and ignorance of the underlying environments, flora and fauna as well as their part in all of it. You aren't advanced and knowledgeable: you're just ignorant, smug, and delusional.