How to Use "overkill" with Example Sentences

1. Is this overkill or are we really in need of such protection ?

2. Cms is total overkill for the average business site .

3. What absurd computer overkill , like turning grocery lists into powerpoint presentations .

4. Any such legislation is likely to be overkill .

5. I could function on almost no sleep and eight hours always seemed like overkill to me .