You have clearly stated in your footnote that if anything goes wrong then the given numbers can go down. To be honest, that's what happens all the time. Developers do something wrong and number of requests just drop down to the floor.
Only static websites are the one which handle large amount of requests at low cost. Web hosting providers don't make money out of those clients, so they run shared plans.
Only static websites are the one which handle large amount of requests at low cost. Web hosting providers don't make money out of those clients, so they run shared plans.