The direct-to-consumer boom is coming to an end.A once-bustling group of companies, backed by billions in venture capital funding, saw a record year for IPOs in 2021. Now, three years later, most of those direct-to-consumer, or DTC, companies still struggle with profitability."It's that profitability angle now that demarcates the winners in DTC from the losers," said GlobalData Retail's managing director, Neil Saunders. "One of the problems with a lot of direct-to-consumer companies is they're not profitabl ...