Comments let people share their ideas.
Sometimes, they are really good that it spurs more good ideas.
Sometimes, it might not be so good, you can improvise on it.
Sometimes it is a nuisance and stir-up trouble. You can ask such people who create these comments to shut up in a nice way . Most of the times, they will and if they don’t you can delete their comments.
Blogging is like the real life, can be both fun and not so fun at times.
You may want to give your personal email or a place to contact you in private if they want to write to you.
Most IMPORTANTly is, be sure to open up your OPTIONS by setting up your blog in such a way that people may comment even without registering at your blog. Have them key-in their email and maybe blog’s URL for future reference. That should be more than enough.
To do that, click options and go to discussions. You can do this at the administration panel or the dashboard. Under discussion tick the option to let people give their comments and also to allow comments get into the discussion without moderation. Don’t forget to tick the option where people who comments need to key-in their email. This is for future reference.
For more details and visual demonstration, as usual go bact to the WordPress Tutorial link, the FAQ or the WordPress manual provided on the right side panel of my blog. Have a good time blogging!