throw enough mud at the wall, some of it will stick
To attempt the same strategy or technique (or similar ones) often enough, and, even if the general standard is poor, sometimes one will be successful.
2001, And still no one is shouting stop. read in The Kingdom archives at https://web.archive.org/web/20060117103951/http://archives.tcm.ie/thekingdom/2001/01/19/story7064.asp on 02