I have seen that many integration list(Google analytics, mixpanel, adwords) are available in the analytics.js, I am just wondering why do we need that, since all the events are sent to segment and then to the destinations.
That's a great question - and I think the following link will help to explain the integration object and why it's available:
I hope that helps and please let me know if you have any other questions.
That's fine. I am asking about the destination integration list. I have seen that GTM Js is included in the analytics Js, whats the use of embedding GTM js in analytics js?