Some advertisers are expressing concerns about Meta's commitment to brand safety.Meta this week unveiled a new approach to content moderation, removing third-party fact-checkers.Many ad industry insiders doubt it'll lead to major spending shifts, however.Meta's new plan to shake up its content-moderation policies has some advertisers worried about the social giant's brand-safety standards. Despite that, ad insiders who spoke with Business Insider generally didn't expect the changes to hurt Meta's business.A ...