Good catch, you're right. As I look again it appears there are only a couple hundred "protestors".
Donors that helped train these agitators
Donor——Total Donations to OFA-—Donor Affiliation
David Shaw $1,000,000 DE Shaw Research
Amy Goldman Fowler $750,000 Sol Goldman Investments
Ryan Smith $351,260 Variance Ventures
John Goldman $225,000 John and Marcia Goldman Foundation
Mark Gallogly $200,000 Centerbridge Partners
Kenneth Levine $200,000 McAfee Inc
Jon Stryker $200,000 Jon Stryker Architecture
Laure Woods $190,550
Barbara Grasseschi $165,000 Puma Springs Vineyards
William H. Freeman $135,000 Freeman Webb Co
Sandra McNeil-Rogers $125,100 Retired
Anthony P. Crabb $120,000 Puma Springs Vineyards
Wayne Jordan $100,000 Jordan Real Estate Investments
Marcia Goldman $100,000 John and Marcia Goldman Foundation
Paul Boskind $70,000 Deer Oaks Mental Health