Static friction is higher than sliding friction so if your TCC slipped, you would notice it because it would probably slip quite a bit. Because of that differential, it's very unlikely to slip a tiny bit.
This same situation is why it's very difficult for a human to ride the optimum pressure while braking. Tires have the most stopping power when rolling but once they lock up suddenly you need a lot less brake pressure to keep them locked. Modulating that by feel is very difficult. Computers are much better because they can keep the tire slipping just a bit which is an indication that tire friction is highest.
PS. My TCC and trans are just fine after ten years of using a lockup switch so all those nay-sayers can eat crow now.
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Vortex generators are old tech. My new and improved vortex alternators are unstoppable.
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