Idea for new end game zone to help cut out the leechers

Since even 160s are now inundated with people willing to do the bare minimum (or, more accurately, willing to just gun it out and just requeue if it fails), we need a solution.

One idea that I like….Add a new zone as an end game zone. It doesn't need a new biome (let's just get this done).
– PL160-172 or something like that, regular and 4-man missions.
– Say must be PL130 to gain access.

Now, to keep the leechers out, develop special criteria to gain access to missions there and make it impossible to be carried to gain access. One idea could be to add a storm shield to this new end zone, where you:
– can only join your storm shield solo.
– can only use traps & weapons that you must craft in the zone (stops traders and dupers).
– can only solo defend.
You need to solo a SSD here before you gain access to 160 misisons. You could add more SSDs to access higher level missions as well.

Well, that gate keeps access to the zone….but people can still just join missions and leech, which means they're literally just lazy leechers and not idiots who got carried to end game. I was in a 160 yesterday where someone was typing that "this zone is horrible for heals", as he just farmed the whole time prior to the defense start. Someone else got out of him that he was looking for coconuts!

So how do we address just lazy people?