The other side of the blade...

...that gets overlooked by Republicans (Bloomberg):

"Still, the report also reveals a serious issue: While tax cuts may generate future growth, they can only do so if the government spends less."

And since the Republicans have gained power, they have quickly assimilated into the practice they blasted the Democrats for: overspending! At least in Reagan's day, it truly was the Democrats who helped spend the windfall. Not today.