It's possible to get online information scrubbed through Google and paid internet removal services, but it can be time-consuming and only partially effective.
Donald Trump’s reinstated Facebook and Instagram accounts could prove to be the accelerant he needs as he tries to spark Republican enthusiasm around his so-far listless 2024 White House comeback bid.
… Major ad platforms like Google, Facebook and Twitter each launched their own versions of transparency platforms, which detail online political spending — a $1.9 billion industry in 2018, according to a projection from Kip Cassino of the ad-tracking firm Borrell Associates. … “Simply put, all these ad networks weren’t designed to be transparent,” said Damon McCoy, a professor of computer science and engineering at NYU [Tandon School of Engineering], who has tracked online ads as part of the school’s [Online Ad] Transparency project. “They’ve having to do a lot of jury-rigging of their ad networks to make everything transparent.”
Simply put, all these ad networks weren’t designed to be transparent.
The lack of action has left tech companies to institute their own disclosure schemes — and left a lot of political advertising undisclosed because not every company is participating.