Not sure I’ve heard that version of the slogan exactly that way - drain the still somewhat clear water so that all that is left is scum.

Watched a video recently where when making the California aqueducts they drained some lakes and the resulting silt clouds were some horribly destructive and dangerous dust clouds.

Definitely this. This is what they chose the curriculum to cover more.

I assumed Florida even after I read Chicago

That is a staggering 192 page textbook that goes into the history of photography and astronomy! Way to go NASA, but not for the faint of heart.

The smart ones

Anytype might be better. I think it’s vc funded now, but it can be self hosted