Graham used the annual Edinburgh platform to plead for new universes, which means taking risks.
Speak to American screenwriters or programme-makers, and they are bewildered at our complacency over our PSBs.
They wish they had a BBC.
James GrahamShutterstock for Edinburgh TV Festival
Graham also used the opportunity to pour scorn on the idea that artificial intelligence will replace human creativity.
AI cannot, and will never be able, to take hold of your hand.
It will never feel quite the same.
And we need to remind people of that.
The paralysis, and stagnation.
Last years MacTaggart wasdelivered by Louis Theroux.
Other recent lecturers include Coel, Jack Thorne and ex-Channel 4 news chief Dorothy Byrne.
