Butter! Is it healthy or unhealthy?

In this episode we will look at butter and whether or not it is in fact healthy, as some are now saying. Or, is it unhealthy as we have been told for some time. Plus, we will look at some butter substitutes.
Resources on this video:
https://myculturedpalate.com/is-margarine-harmful-6-secrets-they-dont-tell-you/
https://www.hsph.harvard.edu/magazine/magazine_article/is-butter-really-back/
veryhealthy.life healthy butter-10 Different Butter Substitutes
https://www.webmd.com/diet/health-benefits-butter
https://www.huffpost.com/entry/why-butter-is-good-for-you_n_7089338
And a quote by Dariush Mozaffarian who I apologize for butchering your name.