In theory, the government could also repeal the act with a
simple majority, but option (ii),
i.e. a bipartisan call for an early election, is by far politically the best option for the government.
It does not consider a lot of things, including the quality of the decisions, whether the decisions she wrote were particularly complex (
i.e. a 2 paragraph decision dismissing a
simple appeal is not the same as a 200 paragraph decision that makes new law) and how often she was in the
majority on a decision (if you're a frequent dissenter, then you're more likely to write reasons given that you're being chosen from a smaller pool of potential authors).