That's only if you equate the recruiter to a minimum wage worker and yourself to their customer. There's a superiority bias in that rhetoric. The recruiter is a well-employed tech worker. And you're not their client or superior.
Recruiters at FB seem to earn ~50-60% of the total compensation of Engineers at equivalent levels, doing a bit better at the bottom of the ladder (I don't see a single IC3 recruiter earning under $100k in the US; they'd have to be earning ~60k to be earning "half of the base of an L3 with no RSUs").
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>they'd have to be earning ~60k to be earning "half of the base of an L3 with no RSUs"
The people that email you are not L3s. They're actually often contractors. When they're not they're definitely L1s (or maybe L2s since I think L1s are actually service staff).