Mover was originally intended for idle time. The default schedule is daily in the middle of the night. Not saying this shouldn't be investigated, but it might be useful to some users if they simply reconsidered how they are using the cache feature.
Different people will have different needs, of course, but I sometimes wonder if enough thought has been given to how and whether to cache. Here is a recent post I made about how I use cache:
https://forums.unraid.net/topic/82329-why-i-wont-be-using-unraid/?tab=comments#comment-764006