Question if this is reportable thing

I joined one SWP raid few days ago and didn't got time ask this yet.

They basicly had killed Kalecgos and Brutallus and next should be Felmyst in order to get that flame fence away to proceed to twins. They used some sort glitch to get past that flame gate with out killing Felmyst and summon people to other with warlock Summoning Stone. I'm not gona say here how they did it but abused some mechanic (Atleast that's how they said when I asked).

So my question is, is this kind of thing worth of reporting? I have screenshots them being on the otherside of flame gate and summoning people to other side (I left at that point so don't have screenshots while they are going to M'uru and Twins).