Here’s a fascinating analytical article by Pew Research. The gap between the political values of Democrats and Republicans is now larger than at any point in Pew Research Center surveys dating back to 1994.
Source: Partisan divides over political values widen | Pew Research Center
Read the article and determine for yourself whether it’s a societal move of time? Or have the Democrats move more to the left (especially under Obama), and the GOP moved to the right (notably under Trump)?