Yes 65B ARR that Anthropic has is clear indication there is no path to revenue.
See: https://www.wheresyoured.at/brokenomics/ for an interesting write-up on the economics of AI.
It's easy to falsify the claim with a simple experiment: imagine they had no customer at all, $0 in revenue. Their costs would still be massive. If the claim were true, $0 revenue should mean $0 costs, right?