Definitely a few slightly more forceful reasons why people get tripped up by this.
Group voting tickets were only abolished 4 federal elections ago, and are bizarrely still a thing here in Victoria and Melbourne City Council. So, people's belief in this is not totally irrational, but likely carried more by lore than facts.
Many folks look at elections as a chore rather than a precious gift. They would rather remain ignorant about how they work. "Don't vote for candidate X because they just send their preferences to candidate Y" is more of a meme (in the broad sense of the word) than a well researched political opinion.
There are people that benefit from stoking uncertainty and confusion about the Australian election process. Many of them are not Australian citizens. Just look at the AEC's Twitter "Replies" tab. Cookers and Russian agents.
It is confusing but the bonus data has always been from the first recharge of that prepaid plan (i.e. in a year). It's still good value without it though. But by this time next year there might be a Boost offer to move back to. π
Expect a shitty interrupted sleep -- unfamiliar bed and environment, probably not totally quiet or totally dark, nurse may need to wake you to reattach sensors that have fallen off, etc. It's not necessary to sleep straight through to get good results though; wish I knew beforehand.
Expect to be grumpy and tired the day after, and travel home with gross electrode gel in your hair.
I'd probably bring my own pillow(s) next time.
Edit: Also I had to go to bed way earlier than I typically would so anticipate that as well.
Definitely a few slightly more forceful reasons why people get tripped up by this.