Realistically he will find it more difficult to find allies abroad than Obama did after the Bush administration.
Biden already hit European headlines for saying Poland and Hungary were totalitarian states in his town hall.
Trump forged strong ties with Saudi Arabia, Israel, Japan and Eastern Europe which are all based on things he said and promised.
Biden could be pushed by the pro-Palestinian wing of his party to reverse some of Trump's most controversial policies such as moving the embassy to Jerusalem.
The world hasn't forgotten about what happened with the Arab Spring, ISIS, Iraq, Ukraine and Syria. Even if that feels like ancient history to the US.
China is already moving in on Africa, the IMF says Africa needs $1.2 trillion to recover from COVID-19 and debt relief, debt which is mostly held by China.
After the German election of 2021 Macron will probably have an ally to continue his path of cooperation with Russia.
As both Russia and the EU will realize it's the only way to keep China and Turkey in check and the Middle East at peace.
As for domestic policy. When Trump is out many people will 'feel' and be told on TV that issues like migration, racism etc. are solved.
CNN will be absolutely masturbatory with speeches about how America's darkest age has ended and Biden is the Gandalf that will unite the people.
On Fox News Trump will take the place of Reagan but he's alive and they can call him to get his take on things.
Without the responsibility of governing Trump can once again deliver his hot takes and commentary on the failing Biden administration on Tucker, Hannity and Dobbs.
The focus of reporting will move back to 'ze economy' and the recession for which they will mostly blame Trump.
Biden like Bill Clinton in the 90's will see his 'massive FDR spending programs' stonewalled by Democrats and Republicans alike and be in the same position as most centrist European governments.
He will have no choice but to cut social security and other expenditures to fight climate change, bail out vital industries and solve the pandemic.