As stated by an actual USA judge in an actual usa court case. The DOJ never appealed it.
http://www.internetlibrary.com/cases/lib_case151.cfm
"[P]laintiffs strenuously argue that the Wire Act does not require sporting events or contests to be the object of the gambling. However, a plain reading of the statutory language clearly requires that the object of the gambling be a sporting event or contest. … Since plaintiffs have failed to allege that they engaged in sports gambling, and internet gambling in connection with activities other than sports betting is not illegal under federal law, plaintiffs have no cause of action against the credit card companies or the banks under the Wire Act."
The facts