What exact behaviors are they looking for that would cause them to push the block button?
Threads can do very well for themselves without the fediverse as they are already demonstrating. What real motive do they have to join the fediverse except to shut it down?
Seems like the ice pools were used for year round ice making at night. See the section on "Nocturnal ice making in early India and Iran": https://en.m.wikipedia.org/wiki/Radiative_cooling