The president has the most powerful tool at his disposal: The bully pulpit.
The president is the de facto leader of the political party, the president can make anything a headline in every news source, and the president has very deep pockets to make use of these powers.
For all of their flaws, both the Bush and Trump administrations used these tools to their advantage. They picked something they wanted, and made it happen through heavy pressure on their part members up and down that various branches of government, through directions given to appointed department heads, through heavy media blitz and through every other avenue of influence they have.
Biden has done a better job than his democratic predecessor to use these powers, but no Democrat in the white house in recent memory has used these powers like the republicans do