Well I'm not Mr Noonan, but I am a Dave, so I'll have a go at
answering. I'd guess that DN considers that the amount of work he's put
in to his program is such that it's reasonable to expect people to pay
for it. Obviously we'd all love it if it were free, but I really don't
think the cost is excessive, and he's entirely within his rights, both
legally and morally, to do what he does.
Business licence? Why does he need that? He's selling as a sole trader,
not a limited company. How he handles his income is between him and the
Inland Revenue.
--
David. (GPLRank handicap: +8.85)
"After all, a mere thousand yards - such a harmless little knoll,
really."
(Raymond Mays on Shelsley Walsh)