Sotomayor is still on the Court. Barrett replaced Ginsburg, who you’ll notice dissented here. Breyer was also replaced this year (with another liberal).

Copyright is one of those issues that is not necessarily clear‐cut between left and right, but more of an opinion specific to an individual justice. In this case, the majority and the dissents were each roughly evenly split between conservatives and liberals, not along (those) ideological lines.