People
The only jobs for which no man is qualified are human incubator and wet nurse. Likewise, the only job for which no women is or can be qualified is sperm donor.
— Wilma Scott Heide

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker uses a short list of reproductive roles to challenge broad restrictions on work by gender. The repeated word only makes the argument pointed. It suggests that most claims about who is qualified for a job should not rest on that distinction.
Context reviewed