> It’s tempting to view this as “support”, but a simpler explanation is that it was just pragmatic to wait one additional day for the incoming administration to carry out enforcement actions

The Biden administration was specifically looking for ways to keep TikTok running during the last days.

https://www.nbcnews.com/politics/joe-biden/biden-administrat...

Only 25% of democrats want TikTok banned. The Biden admin didn't want to be blamed for shutting down TikTok.