The only person literally making things up here is you > A couple of times it has happened over centuries and that resulted in mass extinction. You just said,

The only person literally making things up here is you > A couple of times it has happened over centuries and that resulted in mass extinction. You just said, without proof, that all (apparently 2 according to you) rapid climate changes have resulted in mass extinction events. You cannot fight for change if you look like an idiot.