The following rule and clarification is used to determine whether a conditional is a boolean conditional:

"A method invocation expression (§15.12) for which the chosen most specific method (§15.12.2.5) has return type boolean or Boolean."

"Note that, for a generic method, this is the type before instantiating the method's type arguments."

The note about generic methods is missing from the same rule for numeric conditionals:

"A method invocation expression (§15.12) for which the chosen most specific method (§15.12.2.5) has a return type that is convertible to a numeric type."

Granted, the clarification would be redundant, but as it stands, the lack of a clarifying note makes it seem like maybe the numeric case is supposed to be treated differently.