The prior redemption rate structure (less average points per day as the stay duration increases), as mentioned often in the previous posts, should be used. It appears they are quite a few detailed individuals that picked this up even though it was masked in your marketing title.
You should return to the old systm. Those who did not read the email and associated rule changes will soon find out. The net effect will be a disgruntled customer looking for alternatives.
You should be trying to increase your customer base, not decrease it.