Many of the 40/50/60 year olds still the same) are far fitter and slimmer than many of the twenty-somethings wandering around town. There have been many reports about younger people being more likely to be obese and unfit, which would affect their knees. Some of the super fit fifty/sixty-somethings I see running, kicking and punching in the park could probably manage the job better. Oh well. Women used to suffer from the view that they'd be off pregnant if they tried to get a job between 23-40, now this. Or do they think they're more likely to be happy to work in Covid times-do they think young people are more likely to not understand/care about the death risk?