Or, rather, it's possible but not bloody likely. A good correlation might be the foreign language film category. They also have their own category and very few have ever been nominated for Best Picture and none have won (the closest to a "foreign" winner is Slumdog Millionaire which is technically a British film but is partially in Hindi).
But let's look at the ads themselves, from worst to best, which use "Not since _____ " to compare TS3 to previous Best Picture winners.
Here's the two I find most problematic.