Hey there!

As true loyalty is best tested in challenging times, I did a bit of research on how different airlines and hotel programmes have responded:

• 74 airline loyalty responses (status, miles expiration extensions) and booking flexibility terms (changes and refunds)
• 18 hotel loyalty responses (status, points expiration extensions) and booking flexibility terms (changes and refunds)

The full outcome is freely available at https://bit.ly/loyalty-response-covid19

Feel free to comment that Google Sheets file and if you have some better insights, let me know (I used only what was available on English-speaking websites and some blog posts I could find, showing emails from the programmes).

So far it seems that there are some great performers, QF/NZ/VA/SU were the kindest of airlines for status holders. There were also some that did not have any COVID19 info at all.
Hotel programmes, some have been good, yet many have been giving preferences for goodwill only in Greater China region.

I hope that this helps you to decide, what travel partners to choose for the post-COVID19 travel world.