Do women really value blue-collar workers more, or is it just coincidence?

I've seen in numerous videos were they only speak good or men are valued for there work when it's a blue collar job.
I've seen where women speak about all the things they do with love and enthusiasm for their partner it's always for a blue collar worker.
Is this a real thing or it's just coincidence?

Do women really value blue-collar workers more, or is it just coincidence?
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