DFGL-ion

Hi all, I'm new to the forum or should I say I've been a silent observer for awhile as I usuaaly feel I have nothing whatsoever to contribute. However I have a question I would like to ask and hopefully I could also get some feedback from the developers. I completely understand the idea behind preheat, but just can't seem to find it's purpose in TC. Isn't TC in itself already a type of "pre-heat"? What I mean is, let's assume I have a 0.5 SS316L build setup in TC (I'm using SS for the sake of argument but it could just as well be Ti or any TC wire you like) and I have my watts all the way to max (let's say on my DNA75, so I'm at 75W) now when I hit the fire button the mod will run as many watts possible/needed/pre determined through the coil until it hits that temperature and then the mod (hopefully) cuts back on power to maintain that temperature in effect automatically creating a preheat like effect, right? So what would be the point of setting a pre-heat function to such a coil, if the mod is already running that much power and will cut back to maintain the temperature? Assuming I do have a preheat setup in order let's say to decrease ramp up time, why would I then want to limit the mod from running more power through the coil after the preheat time limit is reached if it is already limiting power anyway? Basically what I'm asking is: how is preheat doing anything for me that just setting the mod to a sufficient wattage for said build isn't already doing? Now I've tried a bunch of different preheat settings as well as not having any preheat at all and all I can say is, I can't feel any difference. Yes I've seen the graphs on PBusardo for the punch settings etc. and even he says he can't really feel any difference (although he was referring specifically to punch settings in preheat). So, what am I missing out on? Now, preheat for a non TC coil, that actually makes a ton of sense to me, but maybe I'm just an Idiot?