Should I attend my brother's Protestant ordination?

My brother has finished at a Protestant seminary and will soon be ordained a minister. He was baptized and confirmed as a Catholic before formally leaving the faith. I also left the faith and went to a Presbyterian seminary but have since “rejoined” the Catholic Church. I am planning on attending his ordination ceremony, but, of course, do not agree that he has made a good decision (though I think he firmly believes in his conscience that he has). To add to the mix, my wife is a member of the same denomination in which he is being ordained!

Recommended reading:

Can I attend a Protestant ordination?
When Only One Converts edited by Lynn Nordhagen

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