What's wrong with this logic?

The argument in the statement contains multiple logical fallacies and instances of poor reasoning:

1. **False Equivalence**: The argument assumes that the capacity to produce a certain number of offspring is equivalent to determining accountability. This is a false equivalence because the capacity to reproduce is a biological fact, but accountability for sexual behavior or child-rearing involves ethical, social, and personal responsibilities that are independent of biological capabilities.

2. **Oversimplification**: The statement oversimplifies the complex issue of accountability in matters of reproduction and child-rearing by reducing it to a single biological aspect. Accountability in relationships and parenting involves many factors, including mutual consent, financial support, emotional involvement, and societal norms.

3. **Gender Bias**: By suggesting that one gender should be held more accountable than the other based solely on biological capability, the statement displays a gender bias. It implies that women's and men's roles and responsibilities should be fundamentally different in terms of accountability purely because of biology, which perpetuates stereotypes and ignores the importance of shared responsibility.

4. **Ignoring Shared Responsibility**: The argument fails to acknowledge that reproduction and child-rearing typically require the cooperation and responsibility of both genders. Children benefit most from the involvement of both parents, and ethical and social responsibilities should be shared rather than disproportionately placed on one gender.

5. **Straw Man Fallacy**: The statement might be attacking a simplified version of a position that no opponent actually holds (i.e., that only one gender is responsible) rather than addressing the more nuanced real-world discussion about shared accountability.

6. **Red Herring**: The focus on the number of possible offspring shifts attention away from more relevant and significant factors that determine accountability, such as emotional commitment, moral obligations, and societal responsibilities.

In conclusion, the logic presented is flawed because it relies on false equivalence, oversimplification, gender bias, neglect of shared responsibility, straw man fallacy, and red herring tactics. A more reasonable approach would involve recognizing that accountability in reproduction and parenting is a shared responsibility that transcends mere biological capabilities.