10 excuses for bad ideas and products

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1. It was not implemented correctly

2. The wrong people implemented it

3. Blame external circumstances

4. Denial or downplaying: Dismissing the failure as insignificant or exaggerating successes

5. Blame the customer

6. Blame complexity

7. Blaming constraints: not enough funding or time

8. Lack of clear ownership

9. Unintended consequences

10. Use safety as a rallying cry for a poorly validated idea