That's not really true - there are some pointers. There are a few chain tricks to keep a note of, although the tutorial, if it's anything like the Tetris Attack tutorial, should be amazing. For an example, when you're clearing a line of vertical blocks, you can drop a block from the side of the stack into that hole before the blocks drop down, and if there is a clear that happens that is not a clear directly from the block you dropped, then it counts as part of the chain. Also, there is a midair clear trick, where if you clear a horizontal line of blocks, and you move a block from the bottom of the stack into that hole just before the first block to fall hits and just before the stack that the block was from falls, then you can create a chain that way, although that is an incredibly hard trick that's more suited for Hard Mode. Another Hard Mode trick is to switch a block that is falling with a block from a side stack to create a clear, which is also considered a part of the chain.
Tetris Attack and its variants though are games of depth. They're designed more for the hardcore players, although I know many who enjoyed it on a more superficial level too.