Mentoring is also possible when doing remote work, Why do you need to be in front of the person to do mentoring? In our company all new joinees (during covid)

Mentoring is also possible when doing remote work, Why do you need to be in front of the person to do mentoring? In our company all new joinees (during covid) were paired with existing employees and we were able to onnboard and get them contributing in a short amount of time. The new joinees included both recent graduates and experience people.