Is Link Baiting a form of Black Hat?

No, it is using interesting/informative/useful information that will make people to want to link to you and your website. What you place on your sit after that is up to you. Typically is flooding hidden text/words using keywords people are looking for on your website. Then Google or other search engines are more than likely to list your site in their results.

I think it cant.

It’s a resounding NO!! Linkbaiting is a powerful link building technique.

Think yourself - You create an interesting newsworthy topic keeping SEO writing techniques in mind and post it on popular social media channels. This content/ feature acts as a bait and encourages others to link to it. What’s unethical in this?

As far as I know, yes it is but I am not sure .

link baiting is a good way of building incoming links. to keep things under radar make few links.

Link baiting is not a blackhat seo technique, rather its a very good technique, But the success of link baiting is depend on attractiveness and freshness of your content or your post.

its not.. example of balackhat is website cloaking..

Weblink baiting is not a blackhat seo strategy, rather its a very excellent strategy, But the achievements of link baiting is rely on appeal and quality of your articles or your publish.