There is another element that happens at festivals where there is the feeling of not following the rules. Not just to break the rules, but you are free to do whatever you want and no one will judge you. This reenforces that connection feeling by just talking to people while you are high and feeling no judgmentalism, which is near impossible in normal life.
Further I feel like meditation has reached a state of popularity and like it is what you are supposed to do which makes it lose some of it's essence for some people. Anything that's done because others are doing it can cause this feeling. The fact that I see kids age 5-15 meditating makes me think this because there's very little chance all those kids have the problems and mental state where meditation will be a huge help. It's more of something they should be doing which takes away from what meditation is really for.