Why Does A Woman Disable Private Messaging on Dating Sites?

I'm a paid member on POF and there are a lot of women who disable messaging so there is no way to contact her except sending her a "like." Yet, in her profile description she says she thinks it cheap and cowardly for a man to send her a "like" instead of messaging her. I don't get it.

Why Does A Woman Disable Private Messaging on Dating Sites?
Why Does A Woman Disable Private Messaging on Dating Sites?
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