That’s a very good question which I deliberately left out, because my post was already very long, and because I admittedly don’t have a good solution myself.
Maybe something like a new minimal template would help, as was mentioned above, which would just contain the most important information (as described by the top-priority items in question 9 in the survey thread you linked to: IFDB link, Title, Author, Release date, and Platform/Authoring system). Ideally auto-generated/-populated.
Basically, what you said in the thread that is, in turn, linked from that other thread:
If we are serious about de-emphasizing the game entries, then such a template could also contain a stub info with a sort of “reverse intent”: something which does not say
“This is incomplete, please help expand it.”
but rather
“This is a minimal game listing, please consider contributing further game information to the IFDB, because we aim to bundle the info in one place.”
I dunno ¯\_(ツ)_/¯.