Civilians dying in an armed conflict doesn't cut the definition of warcrime by itself. Deliberate targeting and intentional destruction of civil infrastructure that supports life or something like it is.
Then of course there is stuff that ICC isn't getting busy about which is clearly above the threshold -- the regular drone safaris in and around Kherson (city with pre-war population circa quarter million people) happening for the last few years.
Everything! Everything! Like all the deer, all the rabbits, all the decoys! Obviously we trust Kokhanovskyy
How likely is your opinion to change in the light of the information that, according to the article, it's Ukraine who uses these drones?
The ICC judges have less real-world power than a Pop Idol judge.
The ICC only works if every nation plays by the rules. Fewer and fewer do these days.