This is about 501(c)4. And 501(c)4 claims doubled.In addition, several organizations applying for I.R.C. § 501(c)(4) tax-exempt status made allegations that the IRS 1) targeted specific groups applying for tax-exempt status, 2) delayed the processing of targeted groups’ applications for tax-exempt status, and 3) requested unnecessary information from targeted organizations. Lastly, several members of Congress requested that the IRS investigate whether existing social welfare organizations are improperly engaged in a substantial, or even predominant, amount of campaign activity.
There's no cherry picking, it's right there in the report you cited.