Devcon 3 was in Nov 17 when Ethereum had run up from approx $9 to $300 over the past year and launched a wave of 10x ing ICOs so you can understand them being a bit puffed up.

Now that Ethereum is down from $1300 to $200 and most of the ICOs have crashed or run off with the money I think you will have less of that problem.

By the way you can see all 4 days of devcon3 on youtube: https://www.youtube.com/results?search_query=devcon3+day+str...