Bloomberg could choose to start earning back some trust at their leisure by retracting the article.

They haven't; they still stand by it. Since they consider the rest of their output just as trustworthy as that article, I'll take them at their word.

The FT was under intense pressure for years to retract their stories about Wirecard. Journalists even got sued by the German regulator. And most disagreed with FT enough that stock prices remained high for years. They never retracted a single article and trusted their sources and journalists more than the public.

In the end they turned out to be right but it took more than 5 years since the first article. I believe we should consider that Bloomberg could fall into a similar category.