Plan ahead. If you choice strategy on the map which is not suited for this strategy its your fault.
Hp don't drain in cold, models just die until you put squad in warmth.
There already whole lot of RNG in CoH, which affect by great degree competitive play.
Map design may be problem, blizzard mechanic may need some tweaks, but just removing whole thing coz it changes how game plays on certain maps? C'mon.
Players shouldn't plan their strategy around a 2 minute environmental effect, that is utterly stupid design.
Having to adapt the faction designs to deal with blizzards to make it fair is a waste of resources.
Yes, people dislike RNG, planes smashing into their infantry squads wiping them, maybe they should plan their strategy around that happening.