[ckdarby]

They might be able to sustain just simply via country contracts using it as a breakglass in the event of a telecommunications attack.

I'm also seeing more commercial entities looking at it simply as a backup.

[Zigurd]

There are a lot of terrestrial options for backup links: optical, microwave, fixed 5G. Generally any terrestrial link, wired or wireless, will be both higher-capacity and more reliable.