We do link the authority controlled fields to the authority linker by default, so it would make sense to link the fields used for linking between bibliographic records to the available helper plugin as well. At the moment the plugin is not well know, although it provides a great functionality, this could help advertise and improve it.
*** Bug 30977 has been marked as a duplicate of this bug. ***
Looks like late 2021 me already had the same idea :)