Hoi,
In my opinion, Wikidata is a flagship project of the Wikimedia Foundation. With the current underperformance vis a vis demand, it is not only a technical question what to do, it is also an organisational issue.

As I have written in several blogposts, the current underperformance affects  the projects using Wikidata as its infra structure. What is the official response to the underachievement of a key and strategic resource.
thanks,
     GerardM

http://ultimategerardm.blogspot.com/2020/02/dear-krmaher-wikipedia-is-not-flagship.html

On Fri, 7 Feb 2020 at 19:01, Pine W <wiki.pine@gmail.com> wrote:
I don't know if this is helpful, as I'm not very familiar with
Wikidata's infrastructure, but I think that an idea that was discussed
in the Wikimedia Strategy 2030 process is charging real money to
organizations that consume large amounts of data from the Wikimedia
API. By extension, an idea to consider is charging real money to
consumers that want use Wikidata services in resource intensive ways.
That would have several potential benefits. Charging money for
resource intensive requests could make consumers be more value
conscious when deciding which queries to run, it would probably reduce
the workload on WMF's end, the reduced workload on WMF's end could
lead to faster performance, and the money could be used for the
maintenance and/or upgrade of Wikidata services. I think that offering
free services to consumers who are not making resource intensive
requests is good, but I am also fine with charging real money for
resource intensive requests by consumers. For anyone who wants to make
a resource intensive request and is unwilling or unable to pay
accordingly, an option is to put them into a "slow lane" where there
requests will be fulfilled but at a slower pace than paid resource
intensive requests will be fulfilled.

Pine
( https://meta.wikimedia.org/wiki/User:Pine )

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