This user has also edited under IPs extensively on the past (and was responsible for getting the List of assault rifles page semi-protected for their disruption), focused on similar lists of firearms or lists of military equipment, and both accounts seem to use broken English within their edit summaries, see [1] this discussion on my talk page, wherein they perhaps reach WP:CIR territory with their nonsense.
The point that I think likely settles it, in this diff, they revert to their preferred version, originally added by the previous account. [2] [3] Loafiewa (talk) 16:21, 27 January 2024 (UTC)