The complaint of the Christian actress on Twitter reflects the tiredness of many with media which intentionally ignore matters of faith.
To be a good theologian is to seek to know and rely upon the Word of God better. It is to be a faithful Christian.
The Trinity is not some awkward add-on to God. No, God is beautiful, desirable, and life-giving precisely because He is the Father, the Son, and the Spirit.
The only way the Reformation could possibly not still matter would be if beauty, goodness, truth, joy and human flourishing no longer mattered.