Yes, there should be channels and delegation. But PM is also answerable to people and should appear to take questions from press. Giving a statement is not same as answering open questions from press.
United States also have different official channels and they all do their thing on their level. But that does not mean that PM/President gets a free run.
United States also have different official channels and they all do their thing on their level. But that does not mean that PM/President gets a free run.
"With great power comes great responsibility"