Over what? I'm not from MO.
In a nutshell, St. Stanislaus's parishioners don't want to be under the authority of the Archbishop. They have a lot of money and assets due to their hard work over the years, and they don't want to cede control of it to the Archdiocese.
The Archbishop basically cut them loose about, oh, a year and a half ago and they've been more or less without the sacraments since then. (except when they've smuggled a priest in now and then for Christmas and I think a couple other occasions.)