But it’s not the first time. A couple examples:
https://www.theverge.com/2021/12/19/22845283/fcc-verizon-att-mobile-carriers-911-calls https://arstechnica.com/tech-policy/2013/01/fcc-blasts-verizon-for-911-outages-during-summer-2012-storm/
My highest upvoted comment on reddit was actually in a thread joking about fees to recoup the fine, suggesting they’d call it a “911 Memorial Fee”.
A couple others, if MPD looks appealing, are Navidrome and Mopidy.