I disagree that "everything is being created to foster a hard right or hard left attitude". The median Democrat is actually quite centrist (data below). The membership in the house is grossly distorted by the impacts of gerrymandering and vote suppression. The median Democrat in the house is actually quite representative of the actual American public.
Take a look at this.
https://voteview.com/congress/senate/-1/text
Here are the median voters in the Democratic party. They don't look like radicals to me.
89.
LOFGREN, Zoe Democrat California -0.402
90.
VISCLOSKY, Peter Democrat Indiana -0.402
91.
DEUTCH, Theodore E. (Ted) Democrat Florida -0.401
92.
COHEN, Stephen Democrat Tennessee -0.401
93.
LARSON, John B. Democrat Connecticut -0.399
94.
VARGAS, Juan Democrat California -0.396
95.
THOMPSON, Michael Democrat California -0.396
96.
TSONGAS, Nicola S. (Niki) Democrat Massachusetts -0.396
97.
CASTRO, Joaquin Democrat Texas -0.395
98.
BOYLE, Brendan Francis Democrat Pennsylvania -0.395
99.
MCEACHIN, Aston Donald Democrat Virginia -0.395
100.
KILDEE, Dan Democrat Michigan -0.394
101.
KIHUEN, Ruben Jesus Democrat Nevada -0.394
102.
BEYER, Donald Sternoff Jr. Democrat Virginia -0.393
103.
BONAMICI, Suzanne Democrat Oregon -0.393
104.
SEWELL, Terri Democrat Alabama -0.39
105.
CICILLINE, David N. Democrat Rhode Island -0.39
106.
LOWEY, Nita M. Democrat New York -0.389
107.
MALONEY, Carolyn Bosher Democrat New York -0.387
108.
SPEIER, Karen Lorraine Jacqueline (Jackie) Democrat California -0.383
109.
SOTO, Darren Michael Democrat Florida -0.383
110.
ESHOO, Anna Georges Democrat California -0.381
In contrast, here are the median voters in the Republican party. They include far right types like Duncan Hunter and Liz Cheney.
329.
HUNTER, Duncan Duane Republican California 0.513
330.
POSEY, Bill Republican Florida 0.513
331.
BLUM, Rod Republican Iowa 0.515
332.
STEWART, Chris Republican Utah 0.517
333.
BRADY, Kevin Patrick Republican Texas 0.518
334.
LATTA, Robert E. Republican Ohio 0.52
335.
JENKINS, Lynn Republican Kansas 0.523
336.
THORNBERRY, William McClellan (Mac) Republican Texas 0.527
337.
CHENEY, Liz Republican Wyoming 0.527
338.
WALBERG, Tim Republican Michigan 0.528
339.
BARTON, Joe Linus Republican Texas 0.528
340.
HIGGINS, Clay Republican Louisiana 0.528
341.
ROSS, Dennis Republican Florida 0.53
342.
FERGUSON, Anderson Drew IV Republican Georgia 0.53
343.
BISHOP, Robert (Rob) Republican Utah 0.531
344.
OLSON, Pete Republican Texas 0.54
345.
GALLAGHER, Michael Republican Wisconsin 0.54
346.
LOVE, Ludmya Bourdeau (Mia)