So I'm assuming you clicked into here because you were bored.
Some suggestions for ArchMC(It is 26 August, some things may be patched by the time you see this post)
Eaglercraft:
Please fix elytras so that they don't teleport you to the ground.
Adding a smithing table GUI would be good since eaglercraft players are currently unable to create netherite armour
Fixing Attacking lagback would be quite good. Currently, attacking a player on eaglercraft via clicking quickly causes you to lag backwards.
Fixing bubble columns would help eagler players as they are very useful in raid farms and other automatic farms
Please nerf McMMO, this makes the game very grind to win, however this suggestion can be ignored if it is intentional
Crafting some items such as grindstone makes the item not appear in the crafting table, this confuses players.
Please fix the use of ender pearls in warp pvp
Please stop players getting randomly banned for “Kill Farming” in Warp pvp
A way to combat these problems is releasing a specific texture pack/mod (compatible with EaglerForge) which would allow Eaglercraft players to experience a Java like experience.
I think another good idea would be to revert to 1.8 pvp as most of Survival players are accustomed to that. Even though the use of autoclickers could impact pvp, I believe that adding an anticheat to prevent cps clicking above 15 would help. I have also found that DragonX (A Hack Client) is not blocked on ArchMC. Due to timezones, there are periods of time where staff are not online. I would suggest hiring more stuff to supervise in order to prevent exploiting, hacking and other forms of glitching.
I am aware of MegaSurvival coming out, however I believe this would be unfair to people who have bought certain bundles(Freedom Bundle) which has lead me to believe MegaSurvival would not come out.
Please take this into consideration in order to improve the experience of playing ArchMC as I believe a majority of players are on Eaglercraft.
I know that there is quite a lot of lag on ArchMC and I don't know if it is because of the servers which Arch runs on or internal features. I think a way to reduce lag could be to remove the anti-xray feature as chunks are constantly loading random blocks. Instead it could be replaced with random clumps of ores being generated but are actually fake ores, while real ores are disguised as stone or random blocks instead.
Could you make it so that bans on survival don't impact playing other servers?
Unfortunately many of the suggestions in your first post are not possible for the developers of ArchMC to implement. This is because while many people associate ArchMC with Eaglercraft, they are two separate things and ArchMC does not have the ability to change Eaglercraft. Also, many of those are features, such as ender pearls in /warp PvP and mcmmo. The reason DragonX and DragonX V2 are not blocked is because you cannot block a specific client - it is bannable to use them though (even if you do not use hacks). Also, an update yesterday greatly improved lag on Survival.