It was happening before trump entered office. Society and the economy has changed since the methods for surveying employment were created. The old methods do not work well, and the BLS is seriously understaffed. Not only can they not create new methods, they cannot even do the old methods reasonably well.
Nope - Job reports adjusted DOWN in every quarter of Obama's third term. They always over-estimated to give Obama's Avatar Biden a boost in the press with screaming headlines. Then quietly adjusted significantly downward when no one was watching.
Propaganda works that way.