OK, here they are (10 Reasons not to Blog)

Since you asked, here's Tony Morgan's 10 reasons not to blog:

1 You haven’t determined your primary audience.

2 You don’t post regularly.

3 Your posts are too long.

4 You are trying to sell yourself.

5 You don’t use humor.

6 You are attacking other people or ministries.

7 You have forgotten that blogging isn’t private.

8 You are not a thought leader – you're just taking things from various places on the web and regurgitating it back on your blog.

9 You are listening to your critics. - It is just not worth it. When you respond you give credibility to your critics.

10 You are not revealing the real you.