Did you read that wiki page? None of the asymmetric schemes are in widespread use and the blurbs for all except the Lattice one mention major deficiencies. It

Did you read that wiki page? None of the asymmetric schemes are in widespread use and the blurbs for all except the Lattice one mention major deficiencies. It's could be that convenient public-private-key schemes like RSA are just impossible to do in a quantum world. Though to be fair it could also be true classically - their security hasn't been proven.