Definitely, especially if you are really interested in this technology. It is where you may found future projects, people with the same interest, opportunities and all which are about this industry. As to other people, indeed there are ways to learn such as browing the internet and seeking for reliable sites but seeing and encountering it in person would aleast give you ease from doing so. Also, projects in these events are still in progress which would give you insight and advantage obviously if you will find it a good project. Also with meeting people who are into this blockchain, you may learn from them especially those who have been in this industry for years.