Although he makes a jocular point, it has a serious edge.
What about jocular words and uses in other languages?
Indeed, in an almost jocular way, it ignored most of the recommendations that have been made so far.
I must protest against being treated in this jocular way.
I do not know whether that was intended to be jocular.
Incidentally, it is very rare to find jocular use of prefixes, but mention must be made, and this seems as good a place as any, of underwhelm, "to leave unimpressed".
Of course, the variations described above are possible if one wants to sound jocular or if the sentence is taken literally, in its nonidiomatic sense: consider (a) or (d).
They provide a climax, summing up, condensing and typifying, or mark a change of footing, indicating a closing or a contrast or adding a jocular tone.