I think it depends on what one celebrates at Easter. Springtime? Bunnies? Candy? Roast leg of lamb for dinner?
Then, no. But if you celebrate, with thanks and reflection, the miracle and gift of the Resurrection and the Promise it fulfills, then you’re on-message.
Herein lies one of the problems with Easter celebrations. Like the article says....it can be proved conclusively that the resurrection did not occur on a Sunday morning.....nor the crucifixion on a Friday afternoon. So why would one want to follow a tradition that is obviously in error? Maybe because they have been deceived [Matthew 24:4][Mark 13:6]?
"First day of the Week" occurs 8 times in modern day translations.....never with a religious intent; [Matthew 28:1][Mark 16:2][Mark 16:9][Luke 24:1][John 20:1][John 20:19][Acts 20:7] and [1 Corinthians 16:1]. These are the verses the Church used to establish their false resurrection day. The problem being.......the Greek in all cases says, "On one of the Sabbaths"! With an illiterate laity....they (the mainstream clergy) were able to carry on this fraud for most of their history.