Making it easy to accidentally spend money with no confirmation or ability to undo or refund the action.
"Revives have no conformation button. Gem purchases often bring up a second dialog box containing the actual purchase button. (however that's not protected either.)"
"It makes it incredibly easy to accidentally spend your in-game premium currency, with no way to cancel or undo a transaction"
"I would argue that this could be easy for children because of the pop ups but for anyone over the age of 15 you probably won’t"
"Tower upgrades can be purchased for real money, which is an option presented alongside all other upgrade information during gameplay"
"It only takes a few taps to buy something, especially if you have your card details saved. Do not let a child get their hands on this if the parent has bought something before; it only takes 2-3 taps."
"When in crunch for events you may wind up spending gems"