A meme referring to the Mafia City ads were a man says "That's how mafia works." This meme is usually associated with a "lower level object/person" and a "higher level" version level as that.
Susan: "Oh no I'm being robbed!"
Level 5 Gangster: *Scares the mugger away*
Susan: "Oh why thank you!" *kisses Gangster*
Level 5 Gangster: *Turns into Level 35 Boss*
Mafia Boss: "That's how mafia works"
A phrase used in response to someone who is disappointed in a thing that turns out to be underwhelming and bad/mediocre to assure them that can just be how things go sometimes.
"This game is an unfinished mess. Why would they remove even the basic elements of a first person shooter?"
"Don't be sad, this is how it works out sometimes"
A commonly used phrase by software developers to indicate that the bug reported by a user is not repeatable on their machine, and will therefore receive no more attention. Usually connotes a dismissive approach, where anything that is not visible immediately to the developer is "someone else's problem" and is therefore not worth fixing.