Streaming rights side (since you’ve already mentioned it in other replies), and playing devils advocate here: does the current financial model of the BBC permit

Streaming rights side (since you’ve already mentioned it in other replies), and playing devils advocate here: does the current financial model of the BBC permit the digitisation of all this old material? Could it be a logistical and capacity issue? Did they consider the cost to the public and determine the additional effort/cost outweighs the benefits? Costs being both financial and political.