My point is that it is a great way to learn and be more appreciative of what is done and why - network stacks, graphic stacks, web, etc - before being too critical of them.

Besides, statements such as "$7B for a proxy" or "it is just a wrapper" or "we can build it in-house" mostly come from those that have not had any measure of the scope due to not having any real experience with the said problem.

you can spend day less on HN and write something

or you can just do both ??? why we acting like HN isn't take 5 minute max ????

Cause it's not 5 min max