What are your thoughts regarding the new affix "Explosive"?

So, I've done 14 +7 and higher(mostly +8s) today and it just seems as if Blizzard tries to demotivate mythic+ for pugs, or at least without using a voip.

I only had two runs where everything went really smooth and I got 3 chests. On all the other runs the DPS were often not switching immediately over to the orbs to kill them. I always got a heart attack whenever I got to see the cast bar go past 3 seconds. I tanked most of it and as a warrior I only really got shield slam with devastator and a huge amount of rage that I need to use for mitigation comes from shield slam. I killed as many orbs as possible but sometimes SS just didn't come off CD, so that couldn't be helped.

Especially with a pure melee group I had the worst experiences. Knockbacks or void zones in which the orbs can spawn can easily kill your group, so I'd always take ranged with you. Ideally with instant or short casts like the mage specs or a balance druid. But for real melees, switch immediately. It doesn't matter if you have a focus target or similar, the orbs are always the highest priority.

Edit: I really don't like doing mythic+ in pugs during this week.