At the same time, a directory entry is worth less than an editorial mention, but it is far easier to keep canonical.
The short list. Thin descriptions is straightforward to miss because nothing visibly breaks.
Out of date. Data flows outward from aggregators, therefore an error at the source reappears in places no one submitted to.
Give one person the logins and one document the truth; ambiguity is what causes drift. Almost always, a business seldom disappears from local results overnight; it fades as its records go stale.
More usefully, set aside time to refresh after any move or rebrand rather than treating it as a one-off project.
It is unglamorous work with an unusually reliable return, if only because no one else bothers. Comparisons between competitors tend to suggest the effort scales badly if it is left until a rebrand forces it, if only because no one else bothers.