I think the problem is when you show them the projections people would say "you're just being alarmist, clearly you have an agenda"
So the messaging has been consistently toned down in the hopes people would listen.
They've been warning about water scarcity for decades, I think most people accept it's going to be a thing. Tell them this is going to happen in their country, this decade? Most won't believe you.
Doesn't matter that it's already at the breaking point, and that we have still growing populations that are already rationing water from sources that aren't just down due to drought. There's aquifers that would take centuries to fill back up to where they were decades ago
Scientists told us "your grandchildren will be screwed", then "think of the world you're leaving your children"... Well this generation, they're not saying "you're screwed", because people aren't ready to hear that