I found myself agreeing with the cons mentioned in this article -- but, where is the insight? All of these challenges must have been known since before the com

I found myself agreeing with the cons mentioned in this article -- but, where is the insight? All of these challenges must have been known since before the company was formed. For example, people didn't suddenly learn yesterday that lidar has trouble in rain & snow. I suppose there may be value in stating all of the downsides in one place (as this article does).