To be sure, it's undeniable that Trump's tax cuts, which were not offset by spending decreases, did result in lower revenue even when taking into account economic growth. This has made deficits higher than they would have been were it not for the tax cuts.
In other words, they didn't do what the Republicans insisted they would do.
You cannot grow your way out of a deficit, the way the Republicans insist.
(You also cannot selectively tax your way out of a deficit by simply choosing to tax a small minority of people who are not politically convenient, as the Democrats insist.)
At the rate our economy is going, there is no excuse for the budget not to be balanced, other than the ignorance of an American people who personally benefit from the consistent overspending and figure they don't have to worry about leaving the mess to their children if they don't have children.