Why hasn’t there been much talk of Alito, Roberts, or Thomas retiring?

Back when Trump got re-elected, people were terrified that Alito, Roberts, and Thomas would tactically retire to allow Trump to appoint three more right-wing justices, solidifying the Republican majority on the bench for decades. Now, however, nobody talks about it anymore and the three justices show no sign of retiring. I feel that as it looks very possible that the GOP might lose the Senate in the coming midterms, there would be more pressure for Alito, Roberts and Thomas to step down. Even RBG was pressured to retire during the Obama administration, yet there’s no seemingly no pressure from Trump. Why is this?