That's certainly one way of looking at it, isn't it.I think this definition coins it quite well. Just check the ones I singled out against it:
Walking the streets again and again, the individual signatures of street artists emerge - only few sign their work and still their work is recognizable without it.
Two examples, both are taken 10 months and a few hundred meters apart:
Perhaps our culture has absorbed Picasso's aesthetic arguments and language, or at least the patterning and manner of expressiveness.