René La Sagne -- Egon's nom de plume?

[Vulture]

Would an exclamation mark have made it better?

No. I don't think so. It would have detracted from the 'gittiness' of it!

[Roger Kettle]

You've always understood me, Vulch.

[The Peepmaster]

You've always understood me, Vulch.

You ought to have typed "You've always understood me, Vulch?", just to further irritate Pilch.

[Roger Kettle]

Good point, Nige?

[Mince]

Good point, Nige?

Aren't you the clever one.

[Jack]

Don't rhetorical questions get question marks then?
Don't rhetorical questions get question marks then.

^^^^^^^^^^^^^^^
(Delete as appropriate)

[Vulture]

Don't rhetorical questions get question marks then?
Don't rhetorical questions get question marks then.
  This is a question.
^^^^^^^^^^^^^^^
(Delete as appropriate)

If you could just have a 'rhetorical' then a ? would not be needed.
As it is a 'rhetorical question', a question mark is required.

[Jack]

(Delete as appropriate)

I didn't expect anybody actually would.