You can keep offering your version of chaos theory and the butterfly effect to support your position, but if properly funded, and any professional athlete lives well above the American norm, you have (1) Internet-based near real time information, (2) 24/7 news media, and (3) in vehicle road navigation systems with routing information and live traffic feeds. You may have been traveling by celestial navigation to find your way to work, but these guys can call in police escorts if they need to make it through traffic. And if they really have trouble getting through the slippery spots, they can buy an appropriate vehicle like a snow cat or M1 Abrams Main Battle Tank. A Hummer is certainly not an unreasonable acquisition. These guys are required to show up for work all of 6 months a year, so planning on getting there an hour or so early is not too much to ask.
Ask anyone who has served in the military: when properly motivated (under threat of real consequences) you get where you have to go on time, and that includes through scenarios with munitions exploding around you and certainly through weather. The military regularly teaches if you are not 15 minutes early, you are late. If you are late, you pay the price. I expect a battlefield represents a more severe scenario than the 20 mile commute to the Razor, so I have little sympathy for the 4 soldiers here who couldn't battle their way through the snow in an area known for snow in their luxury vehicles and make it to work on time. If that represents nonsense, you may want to exit the Matrix and enter the world of the real.