We don't always agree, but you're absolutely right, she should have stepped down. The fear we've lived in as a result of her random health issues is more than a lot of us should have had to deal with and heaven forbid something did happen, it'd be highly problematic at this time.The average life expectancy in the US is 78. 9 years ago she would have been 78. Anyone defending her not retiring during Obama is foolish, full stop.
Her doing her job well for a decade is nice but it's not like another progressive judge wouldn't have been able to make the same rulings and opinions. Especially when that decade is on the other end of life expectancy