I think it's up to the boss whether employees can become friends with the boss. If the boss wants to be friends with employees, be approachable and treat employees as brothers, then employees will work hard and create benefits for the company. I feel that there is no real friendship between employees and bosses. Maybe we can treat each other sincerely, but friends should be forgotten. You know, shopping malls are battlefields. There are no friends, no brothers, only team partners who work hard to make money together.
Smart employees will try their best to be kind to their bosses, smile at them, speak with their own achievements, convince them and reuse themselves, while smart bosses will establish good relationships with employees, reward them from time to time, make them full of enthusiasm and make them work hard for you. Workplace, workplace should have rules. Managers are managers and employees are employees. This line can't be crossed, so you can't be friends without friends.