Your mistake, indeed.
Given that you have just recognised that fact, maybe you need to reappraise all the posts in this thread, in that light.
You may come to understand the frustration that you've generated around the presentation of your "thoughts".
The individuals that you've insulted are reasonable people.
Even short of offering an apology, if you were to address the points wich they have queried you on, you may still actually get some replies. You can make or break their regard for you in this very thread!
If you don't you will likely remain in a place of low esteem.
If you question the veracity of that statement, you might consider the fact that Gumby is quite difficult to offend...