My college roommate was a chemistry major -- I totally understand studies and the proposals of ideas to be tested. Good heavens, the FDA even allows for experimental treatments for cancer patients and other illnesses in the hopes of finding something that will work better.
Science isn't just concrete details from one or two sources. True science is the exploration of all possibilities throughout the course of any thesis or situation. Science isn't nearly as exact as some would have you think. Scientific answers are derived through much trial and error.
At this point, is imprudent for any social media platform to discount any scientific claims in favor of a given platform.
This is Facebook's Fact-check link on my original post: https://healthfeedback.org/claimreview/still-no-evidence-that-hydroxychloroquine-can-cure-or-prevent-covid-19/
I am again reminded of the Allegory of the Cave. If you are unfamiliar with this, it is good critical reading to gain the ability to look at how those around you may see the same situation differently than you. https://www.thoughtco.com/the-allegory-of-the-cave-120330