Congress has just approved sending out lots of $600 checks to people who don’t need them and, in rushing to get another round of checks out the door, is missing a far better opportunity to target this relief in a more meaningful way by just waiting a few more weeks.

The latest round of stimulus checks, like the first round, is tied to 2019 taxable income (individuals earning under $75,000, or $150,000 for married couples, received the full amount, which phased out as taxable income increased). This was a...