To hear a case before the SCOTUS, 4 of the sitting Justices must approve to take it up.
Wisconsin is ultimately under Kavanaugh
Georgia is ultimately under Thomas
Pennsylvania is ultimately under Alito.
Also, spamming these lower courts is also his way of deadlocking them from certifying election results. If this keeps up until Dec 14th we are in the "Safe Harbor" timeline. Dec 8th each state must vote on an elector to case a single vote to go to Congress.
Republicans control upper and lower state legislature houses in 26 states (Dems 23 iirc).
Ultimately Trump will give the people what they've been bitching about for years and give a big "fuck you" to the electoral college, but it won't be in the way they've all been dreaming of.