It is good in the snow, if you know how to drive in snow. A few tips for you.
Stay away from the breaks! If you have to use them you are driving too close. You should be able to stop using the regen. I have gotten shorter stopping times using this, then with the anti lock breaks, when the roads are very slippery. Breaks make wheels stop and lock which induces skidding. The regen avoids this problem. This is why lots of people in snowy climates prefer ICE manuals, allows them to engine break.
Tires, Tires, Tires, Tires!!!!!!!! These are the key to safe winter driving! Why do you often see more 4WD vehcials off the road? This is because it helps them get going faster, and does nothing to help them stop any quicker. This fast acceleration gives the drivers false sense of safety, until they are sliding off the road. I would rather drive a RWD with good studded snow tires any day over a 4WD with all seasons. Remember the small area of the four tires touching the road is what you are trusting with your life, and others as well.
You need to know how bad it is. This depends on many variables, car: weight, type, speed, tires: age, type, loading, and road: Type, temp, coverage, bridge, ect.... So then how do you really know how bad the traction is. Test it. In a safe place going pretty slow in straight line, hit the breaks hard to simulate an emergency, what happens, does it stop on a dime, or does the traction control keep going off and takes forever to stop? This will give you instant feedback to what all the variables mean to you right now. Then adjust your driving to the conditions. Or maybe stop driving if your performance is unacceptable. Then decide what to do, put on chains, drive slower, wait for better conditions, go buy snows, take a different car ect.....
FYI I currently drive a 70D with the factory all seasons. Although I live in a relatively dry place with not too much snow each year. I did grow up in VT, where their is all different kinds of wintry fun on the roads every year. Places like this I would always invest in good winter tires.
Hopes this helps.
Have a safe trip.