It’s often more useful for minimal installations to keep the system log daemon running so that you can see when things happen and stop them from happening.
Especially now that even very low power embedded systems run multiple cpu cores at multi-ghz clocks, interface with gigabytes of memory, hundreds of gigabytes of attached storage and communicate through multi-gigabit network links, lots of stuff can be happening that is unwanted or simply unnecessary without any external indications.
What are you trying to accomplish by not running a syslog daemon?