In my experience, bluegill hit anything, even sometimes a bare hook. If you can't catch them on worms, flies, maggots, waxworms, etc., the fish are not there.
I wouldn't look back on the GG stocking. I would only look forward.
Getting pure bluegill in there in the quantities already discussed is a step in the right direction.
With all the feeding you are doing, bug-lites & fish feed, you will see very good growth with standard bluegill plus reap the benefit of them heavily breeding and producing food for the other fish (LMB, CC).
I would also stop using the dye.
If its any consolation for you, before finding Pond Boss, I would have had no basis to doubt any of Holyoke's advice.
