I would have thought the opposite. If the closure list is true, Merlin are "doubling down" on coasters believing that is what the people want, and are reopening Smiler but need to save money by closing rides that are less of a draw.
If attendance is anything like the season just gone the coasters get boring fast due to low queue times and with nothing else to substitute them it'll lead to a lot of people postponing trips, not renewing MAPs or simply cutting their days short.
As for when the prohibition notice was lifted, not really sure if there any point discussing that at this time. If it opens on March 19th we know it has been lifted, if its not open then we can speculate further.