Stephen Colbert opined on this last night in his monologue- The Supreme Court found that the objection, posed by Republicans, that the Obamacare Legislation was unconstitutional had been foiled by Republican legislation opposing Obamacare.
Brett Kavanaugh and Amy Coney Barrett were part of the majority opinion.
This situation is rife with concentrated irony. I'm not aware if Trmp himself has or is able to comment intelligently on the phenomenon.