I think that I share your underlying opinion, namely, that various dates for Easter or Christmas or anything else is a mere detail.
When last in Jerusalem, a Jewish Rabbi, told me what a good thing two Easters were. You can have twice the festival and the presents.
However I realize that God's ways are not our ways.
Past history shows us that many saints, including that Englishman, The Venerable Bede, have worked and prayed over this problem.
It is not a new one and it has always been treated as serious.
What is unusual is that our particular discordance has lasted so much longer than the many previous occasions, and this when communications and knowledge of Astronomy is so much better!
"... all the trees, as soon as they sprout leaves you can see for yourselves and know that summer is already near. ... when you see these things taking place, you know that the kingdom of God is near." Lk 21:30,31