I thought that was so funny. The author even stated at the beginning that the Ukraine/Russia conflict was a reason for better security.

Russia represented a whopping 2% of his naughty list.

(Posted this above as well) I saw a spike in traffic after the invasion; this prompted the whole thing. Turns out it's not coming from Russia, though.

Yes, because I saw a spike in traffic that made me scratch my head. Turns out it's not originating from there, though :-)

It’s pretty common to geofence China too in my experience, for the same reasons.

It seems like malicious traffic would be more agile come from everywhere, but if you block those two countries you filter a great deal of it.