While some might like the idea of unlocking random stuff, it's a pain in the neck for those looking for one specific item.
Randomness is an inherent aspect of any videogame loot box: Maybe there's something good inside, or maybe you get stuck with something you've already got 16 copies of.
Because the player always received something, it was likened to buying collectible cards, where some packs will contain more valuable cards than others.
Games that receive a Simulated Gambling bullet point have to meet this criteria: "Player can gamble without betting or wagering real cash or currency". With reportedly exploitative methods that sometimes requires players to but them to hopefully save time, or the fear that loot boxes can trigger addictive tendencies, many are hoping for the rating boards to provide some warnings and regulations for the boxes.
However, so far, the Entertainment Software Rating Board, which decides which gaming content is appropriate for different aged audiences, doesn't see a problem. That doesn't mean much in digital environments like Steam, where ESRB ratings are effectively irrelevant, but in the world of regular retail, it's the kiss of death. Some people, however, are less concerned on the value of money that the game poses and more so on the influence of loot boxes on minors given their potential link to gambling. After all, if you get nothing but common items in your box that don't fetch your money back on the marketplace, is it not like having a losing spin on a slot machine? These loot box systems have been used for years in games like Counter-Strike, Overwatch, Rocket League, and Team Fortress 2. If you don't like 'em, don't buy 'em-and if you keep on buying them, don't be surprised and indignant when publishers keep working them into their games.
Games which include a loot box element need a gambling license, and the industry is closely regulated. In a statement to Kotaku, the ESRB clarified their position on loot boxes...
A system of trading has therefore developed, with players using third party gambling sites to pit their own skins against those of other players, or of the site itself.
The UK is now considering regulation of skin gambling and loot boxes, with a review by the UK Gambling Commission ongoing as of August 2017.