But this cannot impair respect for his broader judgment: historians will always be arguing.
I've always disagreed, arguing that inventors are almost always overtaken by superior marketers.
We can always have fun arguing about whose algorithms are better but the essence of what is being delivered is the same.
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He has always protested his innocence, arguing that eye witness evidence was mistaken.
"The NHS, on any basis, as every independent report has shown, is indeed getting better, " said Mr Blair, arguing there were always challenges.
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The ambassador said the embargo would favour the New Forces, arguing that they have always been able to obtain arms by illegal means, the BBC's James Copnall in Ivory Coast reports.
Cloudera is arguing that open source always wins.
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David Cameron is arguing that actual spending - always a lower figure - should be frozen too.
"It's a system that will have people arguing over it but people have always argued about lbw, " Swann told BBC Sport.
While the last three of these are always relevant, some analysts and investors, like Jason Calacanis, are arguing that customer scale these days can trump revenue as the critical mass.
Her husband had always been "very correct, " and was dismayed by constantly finding himself arguing with old business partners.
Referees aren't always amused--the San Antonio Spurs Coyote was once ejected by an official for arguing a call--but the customers are.
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