These tools were initially forged by Marx to facilitate his wishful thinking about how societies operate that science did not support.
In 20th century far-left faced the same challenge and picked the same tools as they knew them well due to ideological compatibility and general inspiration by Marx.
Today the same Marx-inspired tools are being picked up by alt-right generation that talks about "evils of cultural Marxism" (a bullshit term on its own).
Sokal Affair was LOL, this is LOL squared.