Looking at her political views, you can see she is empathetic towards the French identity and favors (from her pov) patriotic ideologies. You can read more here: https://en.m.wikipedia.org/wiki/Political_positions_of_Marine_Le_Pen
It makes sense why the French people are choosing RN—globalization and neoliberalism created a lot of socioeconomic “losers”, and they’re getting their revenge by voting out centrists whose policies are to blame. This is even is clearer looking at the next party that’s winning right now, the leftist and anti-cap socialists.
While the grievances that motivate far right voters are not all imaginary, the solutions offered by fascists will in no way solve any problem.
Absolutely, we’ve seen this is America time and again when the Red party strictly favors business over worker rights