What is behind Southern’s online survey regarding the franchise? Unsustainable financially?

https://www.odt.co.nz/sport/football/southerns-licence-due-renewal
It also stated in the survey Football South don't really have the cash reserves to keep it going as is. I hope they can find more corporate sponsors to help fund all the teams going forward. The 250 club was a great idea and I'll contribute again if the teams are there next season.