"Show me just what Mohammed brought that was new, and there you will find things only evil and inhuman, such as his command to spread by the sword the faith he preached." - Manuel II Palelologus
The analogy I prefer is Death By a Thousand Cuts.
Each of the tiny cuts went unnoticed or accepted over the years. Then one day there was $5.00 a gallon gas. the body was too weak to resist