I've never seen a real race bike with strips, EVER. I don't mean a street bike that's used for track days, that's not a race. I mean a real race bike as in used in actual races. If you have strips on a real honest to goodness race bike and you're actually racing in competition, you would not fare too well in the standings.
Just stop it already... You don't know what you're talking about.
I run Dunlop NTEC's, 200 series rear tires on my 600 and I was a consistent podium threat in my club AND, I still had .5" - .75" sections of unused rubber on the edges AND, I can post a pic of my elbow slider which has seen the pavement (without the rest of my leathers) to demonstrate just how much lean I was carrying.
Point being on certain bikes with certain tire combo's even racers don't use all the available tire. My buddies Superbike SV650 is another one - he has the 180 rear conversion and is crazy fast, has impeccable body position, and has the same size chicken strips as I do on my race bike.
As has been pointed out here already - how much tire you use it really irrelevant. I can scrub a rear from edge to edge in a parking lot doing 10mph - what does that say about my riding - NOTHING. I'd much prefer to have a nice buffer in my traction circle (mix of lean angle, throttle or brake application, and available grip ie: dry surface, wet, gravel, etc...).