They say it is scalability and rapid development.
I believe it is because someone heard buzzwords & they don't understand the technologies involved.
They have not done any study. They know an analytics company that does great with its 8 tables. We have 900 tables.
Then you might want to introduce something that they might not understand, either. Whenever a NoSQL DB like MongoDB can ensure ACIDity, then we can talk about scalability. Unless, of course, they don't want to ensure the data is correct 100% of the time.
Luis C.
General Disclaimer:
Are you seriously taking the advice and code from someone from the internet without testing it? Do you at least understand it? Or can it easily kill your server?
How to post data/code on a forum to get the best help: Option 1 / Option 2