Their cautiousness made sense. Projections just before the election showed a lot steeper win for Biden. It didn't play out that way so it makes sense to be cautious.
Trump had a lot more support among some demographics than people expected. as the race got tighter it made sense to doubt what might play out.
> Their cautiousness made sense. Projections just before the election showed a lot steeper win for Biden.
You need to distinguish between the national vote, which met projections with a significant dem majority, and state races, some of which were close, which is also what was predicted.
Trump had a lot more support among some demographics than people expected. as the race got tighter it made sense to doubt what might play out.