Mesorah doesn’t mean quoting one line in Gemara
Mesorah doesn’t mean quoting one line in Chazal
Mesorah doesn’t mean quoting one line from a Reshon
Unfortunately, many groups take words out of context or find one line that “works” with their agenda and use it to convince others to follow a path that does not follow our Mesorah.
Unfortunately, the results are the same every time- and history repeats itself.
Mesorah does mean following what the vast majority of leaders held throughout many generations.