Vandalism mainly comes from es.wikipedia, but more Wikipedias are affected.
What you suggest was proposed by Lydia at https://phabricator.wikimedia.org/T205783 considering a threshold of N Wikipedias.
El 29/10/18 a las 19:29, Pine W escribió:
I'm hesitant to support hiding information from readers, including links to Wikidata. As an alternative to hiding information, could articles that are semi-protected on Wikipedia (I assume that this refers to ENWP, but perhaps it refers to other languages also) automatically have semi-protection applied to the relevant items on Wikidata?