This is actually a big problem I assume Riot knows about but has invested more programmer's to the new client/reworks/jungle changes.
IMHO ARAM should be shut down for a short time so Riot can deal with it. (Tho they might just be switched to the rift if it is shut down. sad day)
There are 2+ unapproved 3rd party program bots in every ARAM game. (not exaggerating )
These accounts are probably being sold on EBAY or other sites for people wanting to Smurf.
They are stupid easy to spot since 99% of them don't use a keystone, and run relentlessly down the map killing themselves over and over.
Most use strange summoner spells, Cleanse is very popular for some reason.
ARAM isn't too important in the general sense when it comes to the population of players so Riot isn't pressed to fix it right now.
I do believe its a major loss in revenue to Riot games since these are accounts that "real" players will never have to spend the full amount of money on RP for skins and champs since people skip Riot all together to buy a lvl 30 account off a 3rd party site.
[zombie-brand-clap]