Trump's poor handling of the pandemic was poor regardless of origin. People need to be continually reminded that Trump's ineptitude resulted in the deaths of hundreds of thousands of Americans.
Yes, but a lab leak conspiracy theory lets him off the hook - how could he anticipate such a heinous act? Republicans will use a lab leak to memory-hole Trump's magical thinking about the pandemic.
The Trump administration doesn't need a lab leak (theory or evidence) to rewrite history. They rebranded Jan 6 as a heroic act of patriotism without any kind of evidence to support their claims.
Propaganda doesn't need facts or even logic to back it up. Propaganda just needs people willing to believe it or do nothing to fight it.