That is not what Judaism means to me.
The application of old halacha to new fact scenarios is fine. It is when old halacha is applied to old fact scenarios that I take issue.
I don’t care what most frum people were doing 100 years ago; I care about what the rabbonim of the past 100 years have been saying.
I am not against innovation when it is required by there being no precedent. I am against innovation when there is valid precedent, and people choose to follow very old and not accepted precedent over recent and accepted precedent.
As far as the d’oraisah or d’rabanan, I follow d’rabonon the same as I follow d’oraisah, and I don’t know why you read my post any other way.
As far as the Rambam, it relates precisely to my first point.