Actually even if a party had a two-thirds majority in the US, it would still be very hard to pass a constitutional amendment in such a surprisingly brief time. In the US an amendment must also be ratified by 75% of the states, usually within a time limit.

As Berlusconi learned, it is very difficult to change the Italian constitution. He never ceased trying but got nowhere. (And on the side, this continuous harkening to change the Italian Constitution to this very day is extremely iritating, all the more so considering the stature of most of the parliamentary nominees.)

So what immediately catches the eye is why it was so easy for Orban to get away with writing up a new constitution practically by himself in such a brief time and promulgate it.

By the way, I've been looking for a decent English draft of the new Hungarian Constitution, and suppose this is the best translation as opposed to the official version. I presume this draft is not the final version.

It appears there are several misleading translations and omissions in the official English translation that have been pointed out by NGO's.