Cyclocross and Country Country are ineligible since they are not run on ice/snow.
Generally, I’m all for new sports/disciplines making their way into the Olympics. Snow Volleyball has a sound format, and would probably open the door to less traditional nations.
However, traditional winter sports (for which the Winter Games were created in the first place), lose their protection. If Snow Volleyball is added, will Snow Handball, Snow Tennis, Ice Football, etc. be added?
Every summer sport would just event a snow variant of itself (similar to what’s happened with beach variants in the last decade), in order to get an easy spot on the program.
Winter Olympics should be for sports that require ice/snow in order happen, not for sports that just use it as a gimmick to get more international clout.
That’s just my opinion.