Ah, I see. I don't think the guy was equating leisure with consumption at all. You could say he was equating leisure with "just passively consuming", which is where his mistake is (along with his unrelated error of thinking Keynes implicitly thought leisure would automatically bring happiness).
I would also agree that a person having some leisure that is "just passively consuming" is fine, maybe even good. But I'm pretty sure it's bad if _all_ of a person's leisure is "just passively consuming", at least if they have a decent amount of leisure (if you're working 80 hour weeks then it's probably not bad at all to have your leisure time all be passive consumption).
I would also agree that a person having some leisure that is "just passively consuming" is fine, maybe even good. But I'm pretty sure it's bad if _all_ of a person's leisure is "just passively consuming", at least if they have a decent amount of leisure (if you're working 80 hour weeks then it's probably not bad at all to have your leisure time all be passive consumption).