Bitcoin was not conceived of or designed as a system where random people would voluntarily run FTP servers and store random files forever for free.
That is being backward rationalized into a monetary system where that kind of architecture must exist for other reason but the incentive issue remains.
No one is going to do this for you, even if they want to for other purposes.
They are going to defend themselves.
They always have been, and are having to switch client to be able to continue doing so due to Bitcoin Core's negligence and downright malice.
