We all started somewhere. We all started in some entry-level jobs. We all learned and grew. Good workplaces develop their entry-level people, turning them into experts. It would be a shame to spend all that time developing people and then losing them because you never gave them the same respect they would immediately get by going somewhere else. Somewhere that never knew them when they were in an entry-level position.
The people who worked to learn and build their knowledge and skills deserve better.