Let kids do their own research.

That...that's the whole point of school! Condensing centuries of human knowledge and research so that you have an educated populace ready to make decisions in the field based on good information they were taught in school (then later on in life making decisions based on the good information they learned in the field and from others)

They are just putting out a point of view in that video that is not crazy.

That's how most indoctorination works, start by using logical fallacies and false premises that aren't immediately obvious to non-experts on the topics

Most posts are not about the issue at hand. They mostly are about claiming the other side is evil.

Climate change isn't something you can "both sides" you're either intentionally threatening the survival of the human race (and most other life on earth) or youre a sane human being. You have to be morally bankrupt to even try to "both sides" climate actions on random Internet forums