Much as I love his rulings, if Trump is Re-elected and the Republicans hold the Senate, Justice Thomas should be encouraged to retire so his seat can be filled with a much younger Originalist.
Maybe we’ll even get lucky and get to replace Breyer or the Wide Latina.
Also, there are some more Circuit Courts to shore up and a few more to flip.
Ruth Bader Ginsberg's situation does raise that as a real concern. But replacing Thomas will be a monumental task. Gorsuch is not terrible but he's no Scalia, can we really find a rock solid replacement for Thomas and get the RINOs to confirm him? Eventually he will leave the bench, either of his own accord like Kennedy or by God's, like Ginsberg. But unless we have a rock solid replacement lined up I wouldn't rush it.