I'm all for trying to be the best version of yourself, but I think it's discouraging to tie it with the person's worth as a friend. Replying with "find interesting hobby" to the poster who explicitly wrote he finds it hard to find a hobby in particular reads like condemnation, as if until you don't lock in and check those boxes don't even try to socialize. Imagine you meet an interesting person, learn they don't really have any hobbies, and break off a friendship because of it - I'd find that psychopathic. Why should we foster this attitude towards ourselves?
True. I realise my reply reflected a little of " don't even try to socialize untill you've checked all these boxes and the best version" which is wrong.. I merely pointed out / defended the realism od the comment I replied to. The definition is not and never should be the "hobbies". It's just something you find interesting which brings the parity to you and the other person. not necessarily a hobby and could be of anything.. Hobby is just a common way suggested to find people and then, only then, you get a change to know whether they are interesting.
It's not that not having hobbies makes you not worth befriending, it's that having hobbies is one thing that makes people more interesting, and makes it easier to make friends.