Bastardization (noun)

1. The process of making something illegitimate or of lower quality.
2. The act of altering something from its original form in a way that damages or diminishes its value or integrity.

Origin:

From bastard + -ization, the process of making something illegitimate or of lower quality.

Examples:

1. The bastardization of the classic novel into a movie left a lot to be desired.
2. The bastardization of the traditional recipe made it inedible.
3. The new management"s policies led to the bastardization of the company"s culture.
4. The bastardization of the original song ruined the hit single.
5. The government's actions led to the bastardization of democracy.