I guess because everyone in their girl group go for the same look, it actually feels normal to them. They don’t realise what freak shows they look like. When people stare at them, it’s not because they are thinking how stunning they look, it’s because of how ridiculous they look.
It will be a major problem for them when they get older, on their mental health. It’s bad enough ageing anyway, so how an earth will they cope with it?
As for the fully pumped up lips, surely in time they will start to sag as the skin has been stretched so much. Remember what balloon looks like after it has been blown up, stretched then deflated