Would that it were true, a lot of the posts, even in this thread, would not be made.
What method of payments cannot get refunds (not counting BTC and Bank Wires)?
All methods can get refunds. It will depend on your method of payment as to how you go about getting one.
First step is always ask BFL for a refund. If they have not shipped your product, they are legally obligated to refund your money if you ask for it.
If they refuse, the second step is always to fill a complaint with the FTC so they know BFL is violating the law.
If you paid by BTC or Bank Wire, you can either press forward with the FTC through their claims division, or you can retain a lawyer and go after BFL directly.
If you paid by PayPal you can file a dispute with them (if they close it, call them and tell them you have been scammed). If you paid via CC, you can initiate a charge back if Paypal drags their feet.