When we are upgrading the protocol, it is advisable to stop every transaction to prevent a bug or missing transaction that might happen when we are upgrading it.
That was why they were disabling it, prevention is better than cure.
Also proves ETH is a bullshit coin.
IF you can pull off a hard fork at that scale without disagreement.
THEN it is not a good thing if you seek decentralization and immutability.
What do you expect from alternative cryptocurrency? if you are looking for decentralization then you are in the wrong boat.
Just let the show happens, something like this makes cryptocurrency more interesting.