You've screenshotted a study from April of 2020 about replication in vitro - that was both insanely early during the pandemic, and was achieved by dumping it on cells in a petri dish.
There have been countless studies since - clinical, observational, diagnostic, and so on - that have tested it for efficacy in doses the human body can withstand, and every one of them has contraindicated the stuff, with the exceptions of those where patients were exhibiting symptoms of parasitic infection.