Yeah, the Maintenance Required for my 2007 Camry light has not come on yet and I am at 4300K miles. My 2007 Tundra came on at 4K miles. Traditionally, you changed your oil on a new car or motor at 500-100- miles. This was called the "break-in" oil as the rings and valves "seat". There is also assembly lube and anti-corrosion coatings on the bearings, along with metal shavings from the engine manufacturing processes, being trapped in the filter. The quality of the oil in the past was considered poor by today's standards. Today's oils are chemically altered to be far superior. Pure synthetics raised the bar further.
I was late changing the oil in my Tundra, I found metal shavings in my filter cartridge (no regular spun on filter here). With the close tolerances of todays engines allowing the use of more energy efficient lightweight oils (5W-20 in my Tundra), requires better oils and filtration.
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How Fast Was I Going? 
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