Do you think having a capsule wardrobe is crucial or entirely optional when trying to improve your appearance? Does improving mean having a "signature look", or something else? Would you recommend people have one regardless of how necessary it is?
It's indeed ideal to not buy useless pieces of clothes you will never wear, even if things like Vinted exists, it's still throwing away money.
Having a signature look is ideal because you should wear only clothes you feel confident in it outside and like the style of it, and not trying to force yourself fitting in a niche