Does TODAY's 'traditions' equal the 'traditions' that the Thessalonians were taught?
"Does TODAY's 'traditions' equal the 'traditions' that the Thessalonians were taught?"
It depends.
Some are and some are not. Catholics themselves are clear on this, that there are Apostolic Traditions that we call "dogma" - unchanging. There are other "doctrines" that can change. An example of the former is the definitions of the Triune God made at Nicea and Chalcedon. An example of the latter would be the rosary devotions or priestly vestments.
Regards