> they blocked the administration from deploying the national guard to states
That is not what the decision stated - there was even a quote from a justice saying that the administration could easily attain the same result with a different legal mechanism, all but encouraging such a change in behavior.
Edit: the ‘improperly’ portion of your quote is the operative term
Yes, and my point is exactly that a rubber stamping SCOTUS would have literally allowed it even though it was "improper." That's what rubber stamping means.
"Change this sentence, change the date and resubmit" is rubber-stamping - they just require a big-enough fig-leaf and are bold enough to publicly hint at the parameters of the fig-leaf they will accept.
That is not what the decision stated - there was even a quote from a justice saying that the administration could easily attain the same result with a different legal mechanism, all but encouraging such a change in behavior.
Edit: the ‘improperly’ portion of your quote is the operative term