The algorithm issue, fractional votes, negative votes, dead people votes, underage voters, felon voters, ballot dumps, vote flipping, ballots shipped from overseas, Hugo Chavez, satellites, claims of the machines being connected to the internet (they weren't), etc, etc, etc, were all addressed in court. The last post election case concluded just a couple of weeks ago in Antrim County. There too, no fraud was proven.
Even the issue about PA's changing it laws was addressed and found to be legal. I know all of this because I followed every case in each of the swing states and read every court document filed.
Then, when the GOP failed to prove mass fraud in any of their 60+ cases, they continued with their charade and ordered yet another forensic audit in Arizona (it's 3rd) and hired an unaccredited and inexperienced company - Cyber Ninjas - to conduct it, whose CEO is a Q'anon supporter and Trump loyalist. Once they began, the conspiracies grew even nuttier and more extreme... bamboo ballots, hidden watermarks, ballots fed to chickens and then the chickens set on fire, etc, etc. They even publically claimed that Maricopa County had deleted the voter database - they never had - but was miraculously found after Maricopa told them where to look.
It's astounding you believe Trump won by a landslide when he didn't even win the popular vote the first time around (by 3M). Then, once in office, proceeded to alienate every allied nation in the world over the next four years, as too many republicans (which contributed to him losing the popular vote for a second time by 7M).
Provable facts have an inconvenient way of dispelling falsehoods. That's something the GOP has yet to produce after 9 long months and never will because it doesn't exist.