To be fair, it's not a problem that women want men with high specs

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They are objectifying others.
The problem is that they don't objectify themselves.
Of course, it's fine to want something, even if it's winning the lottery,
so that's not the issue, but if they seriously express their desire for a high-spec man
through writing or speech, they are bound to receive pathetic looks immediately.
The people hearing those words will instantly evaluate that woman's own specs,
and there is almost no possibility that she is high-spec herself.
Especially since a woman's "high specs" are her looks and age,
and if she satisfied all of those, she would already be taken.