Re:Did Donald trump really lose???

There’s many reports coming out the mail In ballots were fake?? Who thinks this is true??

Yes just check what the respected international sources have been say the big media international news channels like the BBC, AP Reuters. DW News they are always very cautious about checking sources.
The fact Trump lost but the GOP did better than expected in the Senate tells you it wasn't ballot rigging.

Yes, he lost. He was in the lead early on because he told his supporters not to use mail in, so they voted in person. When mail ins were counted, his lead was lost because they were overwhelming democratic votes. Had they been counted first, the lead would have been the other way around, but still had the same results.

Nissan Technician

But why is there videos leaked of poll workers filling out ballots for Biden? It’s interesting

Because they hate Trump so much, the Media has, prematurely, declared Biden the winner. Biden may, eventually, turnout to be OFFICIALLY declared the winner but, it hasn't happened, yet. There will be recounts in multiple states. And investigations into wide-spread reports of voter fraud and "computer glitches". In short, there has NOT been an OFFICIAL winner, yet. It will be some time before there is.