In the left-leaning content I consume (mainly podcasts), people without degrees are referred to as just that, people without degrees. The idea that the Democratic party message has centered around the uneducated voter sounds like it came from those who want to create the perception that Democrats don't care about people with no/some college education.
Would you say that's the case when looking at Biden's job policies, that mostly favor non-salary (white collar) people (infrastructure funding, farm work, overtime expansion, freedom to unionize)?
Follow up question: where do you get your news from?