Haredi (the H is pronounced like Chanukah...) means “Fearful” As in G-d fearing.
In Judaism there is ghetto (shtetle) mentality — insulation. And it is necessary. There is also wellspring mentality— flow out to influence the world. Leave the ghetto. BUT, on the condition that he or she “going out” into the big scary non-Jewish world remains rooted in his source. This is very hard to do. The neglecting of which can lead to assimilation.
“Assimilation is bad?!” It is when worldly pursuits outweigh G-dly pursuits, G-d forbid.
Providing for your family is a “worldly pursuit”?