Twitter Meetups

I see a lot of posts on Twitter about meetups organised by some software engineers like Arnav Gupta, Sunny R Gupta etc. Can anyone who has attended these meetups tell, are these meetups worth it or not? I mean, they organise meetups every now and then, is it worth making out time?

I would personally prefer building side projects in my free me and don't understand whether meetups are worth it or not.