Electronic Traction Control - service life?

Has anyone ever encountered any problems due to the traction control system overworking the ABS pump?

Here's the detailed reason why I ask:

I was looking at a replacement for the Jackaroo and basically narrowed it down to the Prado or Pathfinder. I notice that many of these newer vehicles use ETC (electronic traction control) which I understand uses the ABS system to apply the brakes to any wheel that loses traction which effectively transfers more torque to any wheels that still have traction and helps the car to keep driving. However, I have a concern with this setup, particularly since the Pathfinder has independent suspension on all four corners, therefore more likely to lift wheels in rough terrain, and therefore more likely to rely on ETC.

My understanding (possibly incorrect) is the the ABS pump is a very hard working device and designed with a service life of around 2 hours continuous/cumulative use. For most people, this doesn't cause a problem because they're unlikely to ever need more than 2 hours of cumulative panic braking (although it has been an issue for people who have bought ex-Police pursuit cars). However, it raises the question that if the traction control uses the same ABS pump, you could quite easily use it continuously/cumulatively for more than 2 hours on a single decent 4WDing expedition.