"I would like JWs to be able to celebrate birthdays and maybe even other holidays"
Why would you want to do a dumb thing like that?
We are free of following the world and its holidays. Embrace that freedom.
"I would like new members of the GB to issue an apology for previous members getting so many things wrong."
Previous members of the governing body?
What has the GB gotten wrong? Nothing.
They inherited everything that they have from the prior GB's who inherited it from prior ones who got it from the president and Vice president of the Watchtower Society, Namely Knorr and Franz.
The things that they got wrong were the need for obedience so much that they became pharisees.
I mean, see how they had this Question from Readers about oral sex within a marriage because of the word that Paul used "unnatural". As I've said many times, why are we following Paul and especially to that extreme. He was not a prophet and his words were not from God.