Months ago, polls showed that if Trump was convicted, huge swaths would change their vote and he would lose in a landslide.
Now in the NBC poll, if Trump is convicted the election would only be Biden +2, which could be a Trump electoral college win.
As I've been saying for months, the more Trump's conviction is talked about and doesn't seem far-fetched, the less it will matter. Just like how originally polls showed that if Trump was indicted he would lose tons of support but by the time he was indicted, everyone already expected it.
This is a trend that will continue. As we get further into thr year, the potential of Trump being convicted will affect voters choices less and less. Not to mention that even asking the question about it in a poll is a leading question so the actual results would probably be even less different.
Alternate take: virtually everyone who was already willing to vote for a disgusting, lying, fraudulent, rapist, traitor were lying when they said that a conviction would actually matter to them. (Maybe they were lying to themselves, too, or maybe just the pollsters.)
Hating between 45%-50% of the voting public is not a healthy way to live, man. Democratic voters want to raise my taxes, allow more low IQ "legal" immigrants like the one who murdered my mom's uncle, and regulate businesses to death, but I don't hate them.