According to this article, the average temp for paper to ignite is ~230° C (or ~455° F, Fahrenheit 451 anyone?). Your PC will never reach those temps short of a serious electrical issue, and then you have bigger problems than a piece of paper burning up.
And yet when Netflix was good the amount of people who pirated went down a ton. I was on that train. Just give me a service that isn’t outrageously expensive, has most of the content i want, and is more convenient than pirating and I’ll do it, as long as i have an income.