Devs: "Oh, our poor databases have TOO MANY values to deal with! It's dying every time you look in your inventory! Please understand! ;A;"
Also Devs: "Hey, you can buy up to 8 retainers for a monthly fee and each come with a ton of storage! :^)"

It's too tiring to be angry about it anymore, though I do enjoy laughing at situations like this. lol