Perhaps they could have communicated beforehand that the performance would be available for free on YouTube afterwards, so that people don’t need to record.
But the official footage will not be the same as the show as you lived it. The effects look radically different from seat to seat. And your friends wont be there either.
Here is the thing, I still remember when there was no recording, what happens in the venue stays in the venue, or gets talked with others that shared the experience.