The life raft blew away before anyone got into it ....
Never having launched a life raft, I wonder how strong is the painter attachment to the raft ?
Ie. if the raft inflates with the painter tied to a cleat on deck, is there any chance that a 50kt wind gust can lift the raft and rip the painter right out of the raft?
Common sense would argue no, because that would be a manufacturing priority for any raft maker - never ever let the painter rip out of the raft.