This is exactly backwards of reality. It's as if they were eating at someones home and had turned a cup off coffee into a week long stay during which they rudely complained when the host asked them to please do something about their pile of dishes, trash, laundry, and leavings.
Nobody is after all taking away your version of python 2 or ability to use and maintain it. It takes active effort to keep fixing bugs in software that may be network facing. If you want to do that maintenance you can of course but people it seems aren't going to be doing this for python 2 forever. If you disagree either take up the reigns or pool your funds to pay someone to do it.
The thing to do back in 2008 was to figure out when you wanted to switch and schedule a bit of time to learn python 3. Anyone who did this by oh 2009 or 2010 would have virtually no work to do now. Any work that has been created since based on something you were told 11 years ago was going away is most assuredly work that you have created for yourself and will be obliged to take up.
Anyone who did this in 2014 would have a decade of runway before they can no longer run their python 2 apps on rhel/centos. Anyone who switches TODAY 11 years late to the party can run python + redhat for another 4 years.
>completely unnecessary
It would be more work to do otherwise. Nobody wants to do that work. You don't and they don't.
