Man is insatiable for power; he is infantile in his desires and, always discontented with what he has, loves only what he has not. People complain of the despotism of princes; they ought to complain of the despotism of man. ↗
'Government gets things right' does not encourage sales. 'Government makes another blunder' does encourage sales, so there's a commercial imperative that pushes sensationalism. ↗
If you look back historically, admittedly a long time ago, there were three Afghan wars in which Britain didn't even come a good second. In more recent years the Russians were there with 120,000 men for ten years. ↗