It'll be EVERYTHING.
Social media is censoring and banning anyone who suggests voter fraud and provides evidence. AID
Fundraising programs removing any collection for projects trying to investigate the fraud. AID
This isn't just the Democrat party and election officials committing what is effectively sedition. It's THE MAJOR POWERS OF THE INTERNET.
I don't know what legal options trump had besides the potential of a competent doj breaking up big tech with anti-trust suits which would drag on for years. Shaming big tech has no impact. Big tech lying to congress has no impact. Legislation making it illegal to censor government officials? Maybe but it would never get though.