> How can something "suggest" a recession is "unavoidable." If its a suggestion, then by definition it isn't unavoidable.

Nonsense.

Say I have a coin that I suspect has heads on both sides. Instead of just checking the coin, I flip it ten times in a row and check the result -- ten heads. "Coin flips suggest 'heads' unavoidable."

The article is saying there is some situation in which a recession is unavoidable, and signs point to us being in that situation.