Because it is so repeatedly approved and recommended in Scripture, God’s Word.
Yes, for Israel.
Yes, in heaven.
No, never for the church on earth.
Thou shalt not steal.
And you ignored the larger question: your assumption that anything that is not explicitly commanded in the NT, is forbidden.
This was what I responded to as your list of category mistakes.
Ex. While Sunday School serves a Biblical purpose, it is not a Biblical church office.
Once you add to Gods Word, as Rome does, you are wrong.
Once you take away from Gods Word, which Rome does, you are wrong.
Once you change Gods Word, as Rome does, you are wrong.
You explained nothing from the OT
The OT temple practices were commanded by God, to Israel - and not for His Church.
There is no explaining necessary beyond that. Thou shalt not steal.
Best.
So if it’s associated with Rome then it’s automatically banned and bad, huh?
Then put your Bible away. That’s ours. Our saints wrote that, not the sons of Luther.
Don’t celebrate Christmas, that’s our holiday too. It’s short for Christ’s Mass.
Can’t go to church on Sunday either. The Church through her authority to bind and loose, moved the Sabbath to Sunday.
See how that works?
Insence is indeed biblical. Read the church father’s and histories of the early Church. Go to the catacombs and see the icons and writting on the wall. You’ll see it all.