No response to a support case

Raised a support case using the portal regarding a subscription renewal linked to a card that I am unable to detach or delete. It has now been 3 days after I received the acknowledgement. I have posted many messages asking for updates and escalation however I haven't had a single response or acknowledgement that anybody is actually dealing with this. I suspect this has ended up in some sort of black hole that nobody is seeing.

Co-Pilot is nicely summarising my frustration and the lack of any response from Microsoft and yet all I see is my many messages.

How do I escalate this? The help links just say to send a message but this is clearly not doing anything