Are Offline coachings are better than online learning (studying at home) to crack IAS?

Need your suggestions , might help others. Why this is so much craze that Students after graduation go for reputed IAS coaching centers.

Some might believe that they did not get seat in Vajiram could not clear. 

Are we loosing our confidence or not getting proper quality content from reputed institutions.

Somehow, it's our own fault we are lacking somewhere direction or focus, we cannot blame situations.