To Amentch and all participants
look up at שבט הלוי חלק י”א תשובה רע”ח אות ב and you will find a clear answer on your question on potching in our times.
In הקדמה of ספר חובת התלמידים he points out that there is a derech hatora in chinuch which is applicable at al generations, like שמאל דוחה וימין מקרבת , but while in previous generations even if someone was not so makpid on ימין מקרבת and he used more the שמאל דוחה it did not damage the childs yidishkeit because he was mekabel anyways, but today (and this was before the war) you have to be mechanech solely on derech hatorah שמאל דוחה וימין מקרבת and you can not allow yourself to use only the שמאל.
The lubavitch rebbe in shichas י”ט כסלו תשל”א was talking against what some want to interpret the words of Shlomo Hamelech חושך שבטו שומא בנו as not meaning a real שבט etc. and pointed out that you cannot change the simple pshat of a possuk.
So look up the shevet halevi