Why Twitter Analytics is so horrible & why he allow the good analytics to be only provided by paid 3rd_party

Each time you enter to your twitter analytics you feel that twitter is just kidding you by this ugly interface which gives you a little amount of data analytics while other 3rd Party services gives you what you want but not for free … you should pay a good amount of money.

So you ask your self a question, how this is possible ? & Why twitter is doing like this

until now i don’t know what is the reason.

twitter should Take into consideration his customers by providing this kind of insights like Facebook who offers a very good pages insights.

Below an example of the 3rd Party services:
Sproutsocial.com
Birdsonganalytics.com