I find that the request is rarely a fit for either a job I'm interested in (they're looking at my resume from ten years ago) or any job that anyone I know might

I find that the request is rarely a fit for either a job I'm interested in (they're looking at my resume from ten years ago) or any job that anyone I know might be interested in (because my network is rarely looking and when they are, rarely for 'that' job). It seems like really low-efficiency spam.