The majority of people that heard that protest were those who travelled from around the world to see Stonehenge.

I didn't travel to see Stonehenge and I'm hearing about it. So is everyone in this thread.

Their plans were ruined

And I see that now that the stones have been shown to be undamaged the dismissal of the protest is pivoting to "the poor people taking recreational flights have had their entire trip ruined!!!"

If people become less likely to take unnecessary flights because protestors might "ruin their trip" I would consider that an absolute win.