There is no doubt Trump will spend more than $2T more.
The debt is paper so it's impossible to go bankrupt (unless we run out of trees for paper to print the money on). The only threat is inflation, and as long as it's isolated predictable legislation with advanced notification it's extremely unlikely to devolve into hyper-inflation.
It is truly astonishing how quickly we get desensitized.
We are casually talking about borrowing another $2,000,000,000,000 after having done that a few months ago, and believe there aren't any economic consequences.