As for the questions on surf, yes the performance of surfing took a large leap in the early to mid 1980's; the construction of the boards got better from a combination of a clearer understanding of the complex curves and the rise of more accurate shaping of the boards allowing refinement in smaller increments, and these improvements allowed surfers to continue to push into more dynamic parts of the wave (and into the air!). You are correct in that the wave Pipeline or Pipe is predominantly a left, which is while pointed towards the beach as the wave approaches the surfer starts the ride going left (opposite of what is seen from the shore). The 'right' or the other direction on the same wave is known as the Backdoor or Backdoor Pipe. The left or Pipe wave ends into a relatively mellow channel or space where the waves don't break as much, but the end or exit area for the right or Backdoor is not really an exit, it mostly just collapses right on coral reef in about 2 feet/.5M of water. Highly dangerous (both directions) but in a contest setting it can make for very dramatic moments as the wave seems to crush the surfer yet they can exit the tubing wave to the screams and cheers of the crowd, who are close enough for the surfer to hear. (you can also hear the sound of the impact of the wave crushing boards and bodies too). As I mentioned before this stretch of reef makes the waves break incredibly close to the shoreline so viewing and shooting is much much closer (and very intimate!) than what most would expect, in most parts of this planet waves of this size, power and explosiveness break much further off the shore, making viewing and shooting a much different challenge.
Staying a bit OT, these hard breaking waves make a tremendous amount of salt spray, and Hawaii is blessed with consistent Tradewinds that not only help the waves stand up more hollow but also help clear the air between waves so it is possible to shoot with the long tele's with a minimal amount of atmospheric haze. But it does make a very salty beach, and the Nikon F5's superior weather sealing really helps, especially when those Tradewinds bring along passing showers.