Obviously there's a trade off between unemployed hair dressers and users, who save money. In dollar terms, I don't think it's fair to assume harm to hairdresse

Obviously there's a trade off between unemployed hair dressers and users, who save money. In dollar terms, I don't think it's fair to assume harm to hairdressers is greater than benefit to users, which, I suspect, far outweighs cost to hairdressers.