I'd elaborate on the source, but I can't read Chinese.
Added the sequence; correct me if I'm wrong?
(;AW[dq]AW[dp]AW[do]AW[em]AW[cl]AB[cn]AB[bn]AB[cp]AB[cq]AW[jq]AW[jo]AB[pq]AB[qo]LB[lq:A]LB[mq:B]C[A or B?]AP[goproblems]
(;B[lq]C[Black is more open to attack than white, and doesn't gain much extra in exchange for the insecurity.])
(;B[mq]C[Yup! Any further is too open.RIGHT]))