This is my opninion about the down turn on aircraft and flight hours.
Big company that has a bizjet payed. Banks don't give financing they sell aircraft and they have money.
Big company has money but not enough to buy the plane, bank gives no money old man dosen't buy the plane.
Big comapny having financial trouble they sell plane and get rid of all departments so as to reduce cost.
Big comapny knows other company with plane one sells his aircraft and shares the other after an agreement of spendingpart of what they got for the sold aircraft.
I have acuatlly lived all these cases myself.
Many companies have spent their benefits in bizaviation as that way they could reduce taxes. Many of those comapnies are not getting any benefits.
On the other side these guys can't stand travelling in airlines and they will come back for sure.