He’s cherry picking the stats, going with the low quarter figures and ignoring those quarters that were close to 4% (Q2, 2018 = 4.2%).
The article is BS..
.Presidents and Economic Growth
Annualized real GDP growth from first quarter in office to last quarter
Obama 2.1
Trump 2.9
Trump wanted 3 plus but he missed it because of the stock market pull back
List of all since IKE