its probably a typo anon.
should be "intubated"
as in, on a respirator.
https://www.medicinenet.com/script/main/art.asp?articlekey=4027
looks like australia was on the italian hospital video bandwagon as well. must've been another "editing error". how many coincidences untill it is mathematically impossible?
https://twitter.com/iteuv_k/status/1246262907483983872?s=20
thats where they are formed anon, because at shallower depths there isnt enough pressure to form them. but over time as the earth's crust moves they move closer to the surface where we mine them.