I leave home at 7am for a 40 min walk to start work at 8am, 8 hours, walk 40 mins home and spend virtually all day on my feet, doing around 6 miles a day in total - and I love my job! Plus I can fit in everything she's moaning about.
I also managed my personal and social life just fine when I did (nominally) 12 hours shifts, days and nights, but you had to get there 30 mins before the start and stay for up to 2 hours after the 'official' end.
All she's done is try to generate likes and has shown her current and future potential bosses she's disorganised and can't cope with pressure. Wait a bit and she'll have given up her job to be an 'influencer', ie unemployed...