you are correct. again, i said "moved the date or something" i don't quite remember the details, but remember that the oposition was complaining about something sneak that the majority party did. it may be that they used the fact that the oposition was wasting all their money with a "say no to stuttgart 21" and on the day of the referendum they worded it as "cancel the ongoing effort?"... i'd have to watch the documentary again to remember details :)

but the idea is the same. even if you vote for your representatives for one reason or another, in the end, the party that ensure majority, gets to decide on the details.