We must have different definitions of hot air, if yours includes a 4-trillion-dollar company.
Edit: you edited your comment so now my reply doesn't make sense. I would re-post your old comment but I didn't save it. I won't change mine because I'm not like that.
The creation in the article appears to be genuinely useful and impressive as well. It certainly benefitted a great deal from other people's work, but so did apple and linux and whatever else.
With all due respect, the edit only added the second sentence. Your response is not a refutation of what I meant, and I'm not going to retract the edit so you can better mock my point.
Edit: you edited your comment so now my reply doesn't make sense. I would re-post your old comment but I didn't save it. I won't change mine because I'm not like that.