Microsoft knew that the choice screen was a terrible idea, but it had been found to be a monopoly in various jurisdictions, and a government body forced it to offer the screen asaworkaround.
If you liked checking a work e-mail account from a Mac at home, and if your employer disliked letting you have POP3 e-mail access, you might have to develop a personal workaround, such as an Outlook rule that would forward all your work mail to your home account.