Why does everybody shoot work like this?

This rather nice set of posters (featured on Computer Love) is by German designer Michalt Slawek. All very lovely, but they left me wondering one thing: Why is it that this has become the default way to photograph graphic design work?

DESIGNER

Worthing, West Sussex

INDUSTRIAL DESIGNER

Frome, Somerset

SENIOR DESIGNER

Henley-on-Thames, Oxfordshire