Democrats and their media supporters have been saying for years that changing demographics would cement a permanent majority for the party as more immigration (legal or illegal) made America less white and as more people moved into urban populations, which trend left.
Politico reported that the 2020 election shattered Democrat assumptions that Latinos and African Americans were monolithic voters who would always vote Democrat without question. For years, Democrats were warned that they were taking Latino voters for granted. The party, however, continued to produce messages that made it seem as though they thought all Latinos were illegal immigrants, which is not the case.

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