ujm – I’m not a Rov or Dayan, so I don’t have to worry about someone’s Kashrus as an עד bedieved. אין הכי נמי, it’s not a poshut shaila. But טהרת המשפחה is not connected to Zionism. There are couples out there who married when they were holding at a lower level of observance, and later one spouse became more frum, and they do keep טהרת המשפחה. There are also couples where both spouses might not fully keep Shabbos, but they both want to keep טהרת המשפחה. At any rate, these are completely private inyanim, and nobody’s business.
