To me, “shop talk” consists of discussing shared experiences and common aspects of one’s profession with others in that same profession. This, this is just a bunch of old men, not just pissing and moaning but trying to outdo one another’s tale of woe. Similar to, though not one iota as funny as, Monty Python’s “Four Yorkshiremen” sketch:
First Yorkshireman: In them days we was glad to have the price of a cup o’ tea.
Second Yorkshireman: A cup o’ cold tea.
Fourth Yorkshireman: Without milk or sugar.
Third Yorkshireman: Or tea.
First Yorkshireman: In a cracked cup, an’ all.
Fourth Yorkshireman: Oh, we never had a cup. We used to have to drink out of a rolled up newspaper…