But it was mere decades that the NT began to take shape. The article you've linked says it was all written before AD 120. So, 87 years - fewer than 9 decades.
And practically all learned people - all the movers and shakers (so to speak) of the Reformation - understood Latin really well. About as well as the Hellenic world understood Koine Greek in the Apostolic Age. So they already had direct access to both Scripture and Tradition (chiefly being the sacred liturgy in Latin) and the Eastern Orthodox already actively translated the latter into vernaculars.
And practically all learned people - all the movers and shakers (so to speak) of the Reformation - understood Latin really well. About as well as the Hellenic world understood Koine Greek in the Apostolic Age. So they already had direct access to both Scripture and Tradition (chiefly being the sacred liturgy in Latin) and the Eastern Orthodox already actively translated the latter into vernaculars.