Not even the placebo effect in action.
Link to paper :
https://www.medrxiv.org/content/10.1101/2020.04.16.20065920v1.full.pdf
WaPo covers the study :
https://www.washingtonpost.com/business/2020/04/21/anti-malarial-drug-trump-touted-is-linked-higher-rates-death-va-coronavirus-patients-study-says/