Another round of google blog deindexing in October 2017

In september 2017, 6 wordpress blogs of a google competitor were deindexed by google due to unspecified reasons . Now it appears that in october 2017, another round of deindexing of wordpress blogs has started
A wordpress blog papercomp which was making some money was deindexed without any reason to cause losses to the google competitor as her revenues have slowly increased as google continues to do everything possible to reduce the revenues of link sellers to the maximum extent possible.
October November is the peak season for link sales, google adwords