A point of correction here.
It's not recorded anywhere where Jesus told His disciples to write with the clear exception of John on Patmos.
Even Jesus wrote a message!
“It’s not recorded anywhere where Jesus told His disciples to write with the clear exception of John on Patmos.”
A point of correction here.
You might learn to read a bit closer:
“sending his angel to his servant John”
1 The revelation of Jesus Christ, which God gave him to show his servants[a] what must soon take place; he made[b] it known by sending his angel to his servant[c] John, 2 who testified to the word of God and to the testimony of Jesus Christ, even to all that he saw.