Then what is the advantage of this method of sending transactions? The ordered grid allows fast communication to nodes across the network and gives a speed of 1000tps
There is no block producers (miners), everyone with a full node can add a transaction directly to DAG and you don't have to bribe miners to include your transaction to block. Transactions are linked to each other, no linked blocks and no reorgs of already confirmed transactions.
You can read more about it there
https://medium.com/obyte/dag/home