Safety of Rwanda (Asylum and Immigration) Bill

If the shadow Home Secretary does not like the Rwanda policy, why did she brief The Times over the Christmas holidays that she was in favour of an offshore processing scheme, which everyone knows is more expensive than a scheme like Rwanda and has far less deterrent effect? It seems that everything she does not like is her plan, except she did not have the guts to put her name to it, so she briefed The Times anonymously.