Maybe it's time for a casual "strike" if not complete departure.

[Evergrey]

I was thinking about how someone with a Ping < 50ms would say that someone with 200+ ping can solve all mechanics with just effort.

Even now we have that phenomenon where game shows your character out of bad, but he yet is computed as failed. Yet character gets dmg down debuff, yet gets damaged. Reflex-based mechanics is straight up impossible for such ping.

On top of that, there are hardcore raiders. Judging you by your damage collected by some forbidden tool. Whose "help" is "go k**l yourself d**b**s s**t". Whose encouragement is "uninstall this game already".

And it's not like someone can choose not to play with them. Party finder is full of hardcore raiders that expects perfect performance from anyone who joins his group.

And they yet have courage to come to the forums to accuse casuals to be toxic after saying things like "WHM is a waste of party slot".

Ah, the good old ARR 2.x and the Titan HM with 200+ ping.
Those were the days and yes, a lot of people got hit by the landslides over and over thanks to that.
Still, not impossible but you really had to be quick to move.
Sadly ping isn't something that can always be accounted for when designing fights.
But from the Savage raids I took part in most big AoE's took so long to actually execute that even with 200+ ping people probably have plenty of time to get out of them.
Seeing how Titans landslides hit faster than what those did.

One might not always be able to completely avoid hardcore raiders that seek "perfect" performance from others.
But people can always choose not to play with them.
No one's forcing anyone to stay in a group once they can tell if they are such hardcore players.
And if people join practice groups the chances to meet such players is reduced.
During all my months savage raiding I never met such an individual or group.
And I spent every day for weeks, months doing PF groups.
(I really think that FFXIV players have created their own Boogieman regarding Hardcore players.)

What I can tell from personal experience is that people get upset if someone joins a group they clearly isn't "ready" for.
Like if someone joins a "second part practice" group and they haven't even practiced the first part enough so that they can clear it on a regular basis yet.
That will obviously tilt others in the group since that person is holding the progress of the group back.
Ofc, people don't have to get upset and hostile when it happens. But the person who isn't ready for that part yet should also be considerate and not join a group they aren't ready for yet.