It’s not a millennial issue sh!t like this has been going on for years stupid is what stupid does has a car brought in by the aa as a non starter after questioning the female driver she aid she has topped it up with oil the evening before and now it won’t start ,how much did it need I asked oh I put 3 cans in .ok 3 litres seems a lot but you never know I asked if she had a can of oil on her oh yes they are in the boot one look told me all I needed to know they were 5l cans and she had hydraulic lock the engine she said I thought it needed filling to the top this was 30 years ago