Personal opinion: Stack Exchange would be better if more people participated in the metas, particularly for smaller stacks (where things are less settled and more community input would be beneficial). To help with that, we should always display at least 1 local meta post in a sidebar. This could be done in the current "Featured on Meta" sidebar or an additional sidebar.
If I go to Stack Overflow and look in "Featured on Meta", there are 2 posts for Meta and 4 for Stack Overflow's meta. This probably helps keep eyes on the SO meta and encourage community participation in it.
If I look at Arqade, they currently have a "hot meta post" so they have a visible meta link going.
If I go to a lot of other stacks, just randomly... English Language Learners, Politics, Workplace... really almost any of them, they don't have anything marked as "Featured" or "Hot" for their meta so consequently there is no obvious link to their metas at all. In fact, opening up Politics, the only link to their meta is the "hidden" one under the hamburger menu. There's nothing on the actual page.
Perhaps one solution is to tweak "hotness" so that sub-stack metas always have at least 1 hot item, provided at least something has been posted or changed there within the last week.
tl;dr: Individual stack metas need at least some visibility at all times. A prominent link at a minimum, but perhaps a sidebar that always features something, even if nothing is technically "hot" or "featured" at the moment.