Let me please politely try to force again as i think its an important issue and directly related to the topic we are at 
- The possibilty of building large structures makes a tool for griefers in pve©
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The problem is that in pve© you cannot destroy those builds.
In pvp you bomb a wall/griefer and live on.
The possibility of building long walls creates the possibility of getting round the decay problem a griever basicly has, as the griefer connects all walls to one point and only has to log in on 1 position to reset all to 144.
so players (Griefers)build immense walls over whole biomes to connect and they can close off towns and obi’s. And maintain them(!)
So imo pve © needs a solution to that, and the possibilty of blocking obi’s
That would make a prominent part of griefing obsolete, and consequently the wish or need for moderated servers lower.
Having said that, what solution could that be?