Low-resolution
Unrealistic
Lack of detail
Low-fidelity
Rough strokes
Flatness
Lack of color variation
Blurry
Lack of depth perception
Poor artistic techniques
Lack of artistic style
Simplistic scenes
Unnatural lighting effects
Lack of creative design
Limited learning capabilities
Jagged or unsmooth transitions
Inefficiency
Non-adaptive
Manual operation
Time-consuming
Unoptimized algorithms