The Luck of the Gambler +global recharge is affected by the 'Rule of Five.' Slotting a sixth will not get you more global recharge.
Favorite Hero: Computer (Empathy/Energy Blast Defender)
Favorite Villain: Gimp Computer (Fire Control/Psionic Assault Dominator)
Rule of 5's applies to LotG +rech, but it's considered its own kind of set bonus, separate from other 7.5% bonuses. So you can slot 5 LotGs and 5 sets that give 7.5% bonuses and benefit from all of them, but 6 LotGs or 6 7.5 sets will only give you 5 bonuses. I tested this personally a few minutes ago due to a similar conversation (possibly the same one you saw) in Freedom help chat.
Rule of 5, the LotG global recharge enhancer acts as its own set bonus. Which is separate from the 7.5% recharge bonus some sets have. You could have 5 7.5% bonuses from sets, and 5 LotGs and get full effect, but a 6th LotG won't work.
Culex's resistance guide
I posted the question in Freedom and it got of hand. Thanks for clearing this up for me
I want to know if I slot a 6th LoG Global Recharge will it count or does the rule of 5's apply?
I posted this question in game and got yes/no responses....Someone lay the law down on this.