i) at least one knife found, reports of 30 fighting and throwing glass bottles at each other, massive amounts of rubbish left despite there being empty bins.
ii) rejection of covid rules due to sunshine, fatigue and potentially other factors.
Think it's a lot easier to be sympathetic if all the crowds were doing was drinking and having a good time but less so with everything else going on. For some it's a rejection of any rules/standards of behaviour rather than just covid ones.