Q.Ligustrum Disease
We had a beautiful ligustrum bush approximately 8-9 feet high. Hired a “landscaper” who walked the bush severely in mid summer here in Central Fl. Not only did we experience severe Leaf dropping which has slowed down considerably but the bush developed a brown bud of sorts all over as pics show. Is this new growth which is slow to develop or a serious problem? We don’t want to loose this privacy If possible. All dead leaves cleared from base,

Certified GKH Gardening Expert
Unfortunately, your photos did not come through. I am unable to see the damage.
They can come back from considerable stress, so maintaining proper care can help them to return.
These articles will help:
https://www.gardeningknowhow.com/ornamental/shrubs/ligustrum