Did a Sydney suburb Labor council misplace $500M ?

Apparently Blacktown council haven't received developer levies to build infrastructure since 2010...but is that really the story?

References
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https://www.smh.com.au/national/nsw/diabolically-unfair-western-sydney-has-been-screwed-and-wants-payback-20230320-p5cts6.html
https://www.blacktown.nsw.gov.au/Plan-build/Stage-2-plans-and-guidelines/Section-7.11-Plans-Planning-Agreements-Works-in-Kind-and-Contributions-Register/Section-7.11-contributions-plans
https://www.blacktown.nsw.gov.au/About-Council/Plans-policies-and-reports/Annual-audit-and-financial-reports
https://www.ryde.nsw.gov.au/files/assets/public/development/section-7.11/city-of-ryde-s7.11-developer-contributions-plan-2020.pdf

https://www.penrithcity.nsw.gov.au/images/documents/building-development/planning-zoning/planning-controls/Contributions_Plans_Glenmore_Park_Stage_2.pdf