If a company decides to offer a training program to its employees, it is because the company would like to develop employees toward long-term career goals that can also promote greater job satisfaction. A more satisfied employee is likely to stay longer and be more productive while on your team: Learning and upgrading employee skills makes business sense.
Training is essential for knowledge transfer. It’s very important to share knowledge among your staff. If only one person has special skills, you’ll have a tough time recouping their knowledge if they suddenly leave the company.