The essay is explicitly talking about the former. Rather than sell a bunch of dilutive equity at Series B, a company with decent recurring revenue could collateralize that revenue stream and sell it.
If you are profitable, then it’s probably wiser to not take the dilution round. If you aren’t, your revenue is likely worthless as I can’t imagine a bank would have the risk appetite to turn a money losing venture into a profitable one by taking it over
You usually only hear downrounds from companies that are struggling to keep the lights on
With debt, you promise a fixed rate of return instead, so the benefits are capped for the purchaser.