That's the system data cache partition, it's not the partition your apps use to cache data. As long as Android is running well, the ONLY reason to wipe it is if you're flashing a completely different ROM. (In over 2 years, that's the only time I've ever wiped the system cache in my note 3. My wife's is the same age, and the system cache has never been wiped.)
The user data cache is a different matter. It's where apps keep data they're holding onto temporarily. An app should clear its own cache when it closes, but unless the phone is choking because of lack of cache space, there/'s no reason to clear it. (It depends on the apps you run. Some of them leave loads of data in different places in the cache each time you run them [they request a block of space when they run (and get a new block each time), then don't release it when they're stopped]. After even a dozen runs, they can fill all of your cache space. Other apps are written properly and clean the cache when they no longer need the data - even if they're still running. You can run an app like that 10 times a day and not need to clear cache after 10 years.)
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