Read these suggestions re retraction by Edlund et al https://link.springer.com/article/10.1007/s12144-022-03764-x, but feel they are devised for a different age, before papermills came on the scene.
My thoughts here on PubPeer: https://pubpeer.com/publications/CE89619858F99B254F814E611FC45D#1
Can we just agree to speed up mass retractions from dodgy special issues where the editor has let in gobbledegook?