If we take this over a longer timeframe (as in Keynes' famous prediction, say), then one reason may be: we do actually have a lot more leisure than we did a cen

If we take this over a longer timeframe (as in Keynes' famous prediction, say), then one reason may be: we do actually have a lot more leisure than we did a century ago, but we've largely "chosen" to take it as a lengthier retirement instead of a shorter working week. See: https://onlinelibrary.wiley.com/doi/full/10.1111/ecca.12439 https://onlinelibrary.wiley.com/doi/full/10.1111/ecca.12439