No, it's not. You are still confusing heritability with PGS, and that's a much better PGS than is available for most 'biological' traits. Look through something

No, it's not. You are still confusing heritability with PGS, and that's a much better PGS than is available for most 'biological' traits. Look through something like LD Hub to get an idea of average GWAS PGSes currently: <11% is very common.