Not entirely accurate. About a year ago, Tesla started a second re-certification process (Fast Charging Safety Inspection) to allow salvage cars back on the supercharging network once they pass an inspection.
Link to TMC thread here about it:
Here's hoping! See article for details Electrek obtained internal Tesla documents that details a new process being put in place to inspect salvaged Tesla vehicles and give them back access to fast-charging. In the document titled “Salvaged-Titled Vehicle Fast Charging Safety Inspection,”...
teslamotorsclub.com
Pricing is inconsistent but seems to be around be ~$700-$800 for both the required HV cert and the fast charging cert assuming no repairs or additional testing is needed. Catch 22 here because if you fail the inspection, you can be 100% sure they will disable supercharging.
I'd say continue to use your car and if/when supercharging gets disabled, get the inspections done to have it re-enabled. Of course, if your car has an issue that would prevent it from passing the inspection, then you might need to go the 'workaround' route.