I wonder why arguing in comments is not allowed on this Stack Exchange website.

Example: I was reading the answer http://health.stackexchange.com/a/4332/43 and saw:

since all comments got deleted, I can't see which points of the answer might be questionable.

Believing that answer is incorrect isn't always enough to write a new answer. And using the chat isn't so convenient for the future readers of the answer.

On other Stack Exchange websites, it's common to argue in comments.

I wonder why arguing in comments is not allowed on this Stack Exchange website.

Example: I was reading the answer https://health.stackexchange.com/a/4332/43 and saw:

since all comments got deleted, I can't see which points of the answer might be questionable.

Believing that answer is incorrect isn't always enough to write a new answer. And using the chat isn't so convenient for the future readers of the answer.

On other Stack Exchange websites, it's common to argue in comments.

I wonder why arguing in comments is not allowed on this Stack Exchange website.

Example: I was reading the answer http://health.stackexchange.com/a/4332/43 and saw:

since all comments got deleted, I can't see which points of the answer might be questionable.

I wonder why arguing in comments is not allowed on this Stack Exchange website.

Example: I was reading the answer http://health.stackexchange.com/a/4332/43 and saw:

since all comments got deleted, I can't see which points of the answer might be questionable.

Believing that answer is incorrect isn't always enough to write a new answer. And using the chat isn't so convenient for the future readers of the answer.

On other Stack Exchange websites, it's common to argue in comments.