daf: Not that there is any reason to defend the Conservatives, as it is clear Apikorsus anyway for numerous reasons, but your example is not Apikorsus. That is actually very similar to what it says in the Moreh HaNevuchim.
And rd, while you don’t respect Tosfos at all, don’t misrepresent their opinions. See Eruvin 96a (I think) where it’s clear that there could be a problem with women wearing Tefillin.