Does that change your opinion about having a centralized log data store? If you need it anyway for your data scientists, why not give your security/devops people access to it when they need to debug a problem?
It doesn't change my opinion because the logging for data scientists is different than for DevOps. For data scientists I assume it would be all application information going into either a queue or stream processor, or being inserted directly into a database, or being pulled out of a database during ETL.
Stuff going to syslog isn't generally going to be used for data science.
