192 lasers put in 2.05 megajoules of energy and got back 3 megajoules. That's a great accomplishment.
However, being the spoil sport I am, the 2.05 megajoules was the laser energy that was imparted to the hydrogen. It took 300 megajoules of energy into the laser to output the 2.05 megajoules of laser energy.
It's the right direction and I like the science. I believe big science projects like this are good things for government to do. But...it took 100 times more energy to create the event than it got back. It got the fusion energy back...and the science that goes with that will help. There's a hardware issue to solve as well....like more efficient lasers. But, what is learned could lead us to a new and more productive method of fusion....or not.
Just remember, we learn science even when the experiment fails.