It'd such a bad feedback loop. Employees don't always feel safe being honest at exit interviews, so they say what they think HR wants to hear and HR just takes it as fact. Then they build training like this based off what Former employees felt safe telling HR and the cycle continues.
The ping ping table at least lasts longer than a pizza party, but it's no more significant. When retiring, nobody wishes they ate more pizza or played more ping pong at work. They wish they had been able to grow and make more money so they'd be better taken care of.
Here's a pingpong table. If you are fit enough to play after a 10h shift, knock yourself out. Except that the office closes when you finished your work so, no, it's just decoration.