Impeached? For what - applying the law of the State, as it is written? The law leaves a gap (conduct that
should be illegal but is
not currently illegal. That is an issue that the legislature should (and, given the publicity around this case, likely will) fix. But, until the legislature acts, it's not the judiciary's job to legislate from the bench.
Again, judicial activism is a bad thing, even when we like the outcome.