Tires technology improved dramatically the last 15/20 years & becomed more reliable with better designs & safety.
And because of those facts drivers feels more confident in challenging nature where it concerns speed/traction & grip over different weather conditions but sometimes we forgets that as every human-made product it has its limitations which we continuosly refrain to respect that border.
Common sense is the best tool against icy roads because snow always have the upper hand in the game no matter how well your tires can perform out there.
Dakar was just the begining.