The US will never get above 4% again unless Federal spending is CUT
And, in these days of “medicare for all” and “nationalizing” industries (Feel the Burn), government contributes a NET NEGATIVE on the GDP.
Quantitative Easing resulted in a GDP growth under 1% in that quarter.
The cynical part of me suspects the Bureau of Economic Analysis is part of the Deep State™ and probably has manipulated the GDP data down to make Trump look average with regards to GDP under his watch.