Your question is one on the minds of many people at this time.
Some folks try to sell or give away timeshares over the internet but they are rarely successful.
We have spoken to other owners who have chosen to terminate their timeshares at Belair, where we own, and as suggested simply walked away. We have been told that some resorts will threaten to pursue collection but really have no legal leverage. After all, the resort will still own the apartment to rent or sell.
I suspect that many are waiting to see the announcement of the new maintenance charges before they make their decision.