geoipupdate don't produce zip files

[thelounge-zz]

"It's based on mmutils but it reads new GeoLite2 directly from zip files containings CSV databases"

but why? the new databases are mmdb and "geoipupdate" for cronjobs is producing them

[root@srv-rhsoft:/usr/share/GeoIP]$ ls
insgesamt 141M
-rw-r--r-- 1 root root 4,5M 2018-03-24 11:10 GeoIPASNum.dat
-rw-r--r-- 1 root root 5,6M 2018-12-29 11:11 GeoIPASNumv6.dat
-rw-r--r-- 1 root root 20M 2018-03-27 14:05 GeoIPCity.dat
-rw-r--r-- 1 root root 23M 2018-12-27 19:05 GeoIPCityv6.dat
-rw-r--r-- 1 root root 1,2M 2018-03-27 14:17 GeoIP.dat
-rw-r--r-- 1 root root 2,4M 2013-06-09 00:52 GeoIPISP.dat
-rw-r--r-- 1 root root 2,4M 2018-12-27 20:30 GeoIPv6.dat
-rw-r--r-- 1 root root 7,2M 2021-10-09 13:39 GeoLite2-ASN.mmdb
-rw-r--r-- 1 root root 70M 2021-10-09 13:39 GeoLite2-City.mmdb
-rw-r--r-- 1 root root 6,1M 2021-10-09 13:39 GeoLite2-Country.mmdb