I wonder if this may be behind a lot of their recent offers, in an attempt to boost subscriber numbers? That would make an IPO much more attractive to investors with higher numbers.
Aussie Broadband to chase ASX listing next year
https://www.itnews.com.au/news/aussie-broadband-to-chase-asx…
If it helps them maintain their great service on uncongested network, then great. Not the cheapest provider, but consistently one of the best with no slowdowns and great customer service.