Glaciers can be important for drinking water and for keeping rivers filled with water. They need to melt for that though, so melting is good. When it's gone there is no more melting, so that's not good.

As per my uneducated guess : splash splash goes Nestle

https://www.dewittdailynews.com/a-looming-rock-collapse-threatens-a-swiss-village-as-thawing-permafrost-destabilizes-the-alps/

https://www.bbc.com/future/article/20230322-how-climate-change-is-melting-permafrost-in-the-alps

Permafrost will be gone, mountains will collapse, villages will be buried.

The mountains are made of stones frozen in place. Remove the ice and snow and you get landslides, mudslides and generally unstable terrain.

if line goes up? nothing meaningful

although maybe those vacation places that cater for the 1% lose it appeals