Your article mentions that Tabata training shouldn't be done everyday, or else we're doing it wrong.
But I thought Dr. Izumi made his subjects perform this routine 5days/wk for 6 weeks. Granted they were very fit to begin with, it isn't something where it was impossible to perform (for them).
For me, I tried my first Tabata routine today using a jump rope. I put in 100% maximum effort and ended up only doing 4 reps (I was literally drooling spit + snot out of my nose). I was in the bathroom for the next half hour spitting out what felt like battery acid.
Yes, it was difficult, but after about an hour, my body is back to normal and feel that I can probably perform the same routine again tomorrow. Maybe I'll shoot for 5 sets this time.