Hmmm: I'm quite sure that I know a helluva lot more about foreign affairs and U.S. foreign policy than you do. Just for starters, Biden's support for Ukraine has been a huge success. Our substantial assistance to Ukraine, along with the support of the EU and others,, of course, has not only demonstrably weakened our chief adversary but rallied global public opinion against the murderous dictator who runs Russia. What's more, the policy has tremendously strengthened NATO--adding one nation to the alliance (Finland) with Sweden to come. Not to mention the fact that, morally, it was absolutely the right thing to do. Our relations with Europe and our most important allies--which suffered under the a$$hat who now lives in Florida---are better than they've been in many years.
Beyond that, the Biden administration has made a priority of starving China, to the extent possible, of the latest semiconductor technology. That is massively important for obvious reasons. He's also challenging China's efforts to dominate the South China sea.
I good go on, the point being that your assertion is nonsense. What one notices about MAGA is that, of course, they don't like Dems and they don't like Biden--and they therefore assume that they can pull all sorts of nonsense out of their rear ends justify their antipathy toward the current president. This is one example.
The gangster deeply alienated and insulted America's oldest and most important allies while at the same time dropping to his knees in front of foreign adversaries Putin and Kim Jong Un, among others. THAT was an unmitigated disaster--and treasonous behavior.