The only time I have stuggled to drive is in snow. These would be ideal to keep in the boot in case of snow. I know there is a lack of grip below 7oC... so i adjust my driving accoirdingly. Trying to drive like a hero in bad conditions makes you foolish.
I have struggled in snow, ice and slush.
225 wide summer tyres won't get me up my road for 2 months of the year, if last winter is anything to go by.
You can adjust your driving to whatever you like...you'll still not go anywere up here, in -10 and a bad winter, if wearing 225 wide summer tyres. If - and it's a big if - you can get moving at all, any hint of throttle has the front wheels heading wayward.
In winter I don't drive like a hero...but I don't stay at home either...I do what I want to do and go where I want to go. Which you can when you have the safe grip to let you.
But, the winters up here justify it...