The fact that they put "every model" repeatedly, then don't actually support even close to "most mainstream models", makes me highly doubtful their service will be more honest and forthcoming once I'm signed up.
I wouldn't read too much into it, that was probably a big rush job once the Stripe / openrouter news broke.
let us know which "mainstream" models you feel like we are missing support for! https://docs.router.com/supported-models