I think what we've seen in Speakers' rulings, the ruling by Mr. Milliken and more recently the ruling by Speaker Rota, is the balancing and the mention of the House of Commons, as the grand inquest of the nation, having these privileges to send for persons and papers and the ability to make those determinations. At the same time, the executive has a responsibility as the defender of the realm. There are valid reasons and valid considerations of public policy that ought to be considered, but ultimately it's for the House to make that determination—
On June 21st, 2021. See this statement in context.