In the video they mention the first house built using these bricks was in 2018. It's still standing and looks like it's in good condition. They also mention the homes they build with these bricks are strong enough to withstand hurricanes.
Wanna renovate? Wanna expand your building? Wanna take it apart and rebuild it entirely? It's basically just dirt so it's flexible to future growth and needs with minimal costs. The West tends to build buildings as if they're permanent but of course even skyscrapers need to come down eventually. All that glass, plastic, and even stuff like asbestos previously, is eventually gonna be taken apart. Usually mostly dumped to a landfill
Hempcrete on structural forms like LEGOs another type of CEB Compressed Earth Block: https://en.wikipedia.org/wiki/Compressed_earth_block
Radial blocks make turning corners with various radii easier; so that the wind doesn't grab the ~K'Nex cube of the structure and shear it under the roof and around the stairs.