Plausible deniability only gets a country so far. In historical terms state-sponsored terrorism has warranted military action when the severity evolves enough. It's hard to consider British soldiers fighting for Ukrainian sovereignty in the same realm as disrupting children's hospitals. [1][2] I had read that one of the attacks had disrupted imaging systems and prevented diagnoses from being reached, delaying treatments.
[1] https://www.healthcareitnews.com/news/fbi-disrupts-hive-rans... [2] https://therecord.media/canadas-largest-childrens-hospital-s...