Maybe those who bought the leftovers of WOW did it as a complete deal. WOW’s stock of sparepart were getting quite big and maybe they bought the rest for “pocketmoney” to stop others (The new WAB air) from buying it and getting a headstart?
Maybe Indigo have plans to launch longhaul from Luton? At Luton Wizzair UK have a 40% marketshare.
Everything on Iceland is too expensive to be operating an airline as lowcost.