It wasn’t just that the study was retracted, the author also lost his medical license and had a known competing financial interest in the outcome of the study. It’s literally a real life pharma conspiracy and these rubes are on the side of the conspirators.

Not to mention the US nearly entirely eliminated the use of Thimerosal anyway, out of an abundance of caution, and like two dozen national health departments committed to massive studies looking at the issues raised in the retracted article and every single one found no correlation.

Good chance this is illegal. Though it varies wildly, many jurisdictions have implied warranties of habitability that require your landlord fix stuff while giving you a legal path to withhold rent or pay for repairs in lieu of rent when they don’t.