Ceiling lights are useful, but they are not perfect.
One common drawback is the quality of light they produce when used alone. A single overhead fixture can cast light straight down and leave the edges of the room in shadow. That kind of lighting can feel flat or overly bright in the center while the corners stay dim.
They also offer limited flexibility. If the ceiling light is your only source of illumination and it is not on a dimmer, you get one level of brightness. That can feel too intense at night and not bright enough for detailed tasks during the day. Without additional lamps or wall lights, the room may lack depth.
Ceiling lights are hard to ignore visually. Because they sit overhead and are often centered, they naturally draw attention. If the scale is wrong, the fixture will always feel slightly off. Too large and it dominates. Too small and it looks like an afterthought.
In rooms with low ceilings, hanging fixtures can interrupt sightlines or make the space feel tighter than it is. Even flush mounts, if bulky, can add visual weight.
None of this means ceiling lights are a bad idea. They just work best when paired with other lighting sources and sized carefully. When balanced properly, they provide strong general light without overpowering the room.