so what makes this knife worth it..?
I might be the only one to say so, but in short, it isn't worth it at all.
I found that the steel was pretty shoddy and would tend to chip much more readily than other steels I've used. Using it as a work knife (at a warehouse), I found I had to sharpen it after every single shift. With a 13c26 blade, I found I could go a full work week without the same damage being done to the blade. My overall impression wasn't helped by the callouses and blisters I had formed from using it - it very literally rubbed me the wrong way

. Plus, the G10 lost it's 'grippiness' after about a month, whereupon it was slick as snot (which, tbqh, I didn't mind one bit, but it may bother some people). Basically, I found the steel and the ergos to be really lacking.
To put this in perspective, I paid $50-55 (Canuckistani monies, with tax and shipping in) for my Tenacious. That's as much as I paid for my Leek, and more than I paid for my 2nd Cyclone, both of which (imho) have vastly superior materials and build quality. For what I paid for the Tenacious, I could have bought three Victorinox knives (and had some leftover), a Buck, or god knows how many Opinels. IMHO, for the money, there are much better knives available.
Just based on my experience, I'd say it's an over-hyped design. Your mileage may vary, of course.