Do daytime running lights mean I don't need dipped headlights in low visbility?

I now have a 65-plate Kia Ceed, my first car with daytime running lights. Does this replace the requirement to use dipped headlights during times of low visibility in daylight?

Why isn't using touchscreens in cars illegal?

If it is against the law to use your phone while driving, except hands-free, then surely using computer touchscreens to operate car systems and even to make phone calls must also be illegal.