As a lifelong silicon valley programmer I used to think that too.
I underestimated the degree to which these companies have actually changed their internal systems to persuade users to favor one candidate over another. They are and have been actively interfering with the political process.
Google Leaks: A Whistleblower's Exposé of Big Tech Censorship
https://www.amazon.com/Google-Leaks-Whistleblowers-Expos%C3%A9-Censorship/dp/1510767363
This is not hype. Google founder Sergey Brin is on tape spelling it out.
>From my understanding,
"A person who won't read doesn't have any advantage over a person who can't read" - Someone
https://www.amazon.com/Google-Leaks-Whistleblowers-Expos%C3%A9-Censorship/dp/1510767363