Understanding IOTA

A lot of people in crypto community are doubting the possibility of IOTA to function with free transaction
Who can recall the chain letters.
YOU, considered "lucky" by the organizers, receive a letter which instructs you to spread it to, let's say, 4 people and push them to each send it to 4 other people and so on. The moment you found 4 people you are done confirmed in the game.
For the game to continue there must be ever more newcomers.
IOTA transaction confirmations wok in similar way, with a major difference, the "newcomers" can return again and again.
At the moment people are buying IOTA and holding it, But for the tangle to function holders should just have another wallet and send their iotas forth and back. the more actions the faster it gets, until the real use of iota, communication machine to machine, comes to life, and will have the machines keep the tangle alive automatically while we enjoy free transactions among each other