I'd guess they told him to come across as genially disappointed, more-in-sorrow-than-in-anger, and he kind of went off the rails.
As the genially malevolent talking head considers a bid for the presidency, a lot of people are asking themselves that question.
"No, I'm just down for a few days," replied Hanson genially.
"Pay for the call out of that, miss, and keep the change," he said genially.
No poetry was over more human than Chaucer's, none ever came more frankly and genially home to men than his "Canterbury Tales."
"Well, you will not suffer on that account," announced Tomlinson genially.
This time he was older and stouter, and somewhat tired in his aspect, but every whit as genially persuasive.
“Only the first round ended, looks like, Bandy,” Dud said genially.
"Then you can think yourself a prince," said the squire, genially.
"You won't need to prove that you're a doctor, sir," he said genially.
pertaining to the chin
Greek geneion 'chin'
1560s, "pertaining to marriage," from Latin genialis "pleasant, festive," literally "pertaining to marriage rites," from genius "guardian spirit" (see genius). Originally used in the Latin literal sense; meaning "cheerful, friendly" first recorded 1746. Related: Genially.
genial ge·ni·al (jĭ-nī'əl) or ge·ni·an (-ən)
Of or relating to the chin.