Few problems with this.
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its not a daily lockout, its a 24 rolling lockout.
So each instance essentially has a 24 hr cd if you have 30 instance cds up you cannot enter an instance. So if you do 5 instances at 10am, and the next 25 from 6pm-11pm(5/hr lockout also applies) the next day at noon you only need to do 5 instances before hitting the cap and you have to wait till 6pm till the next instance opens with all 30 being off cd by 11pm -
This change was never meant to only hit Bots, the first reason given by Blizzard when implementing this change was to stop exploitative gameplay the 2nd reason given was bots.