The 4 a.m. ballot drops were clearly their last resort. The dominion voting machines and other more subtle methods were supposed to be enough to give them the election, at least that's what they were hoping for, but Trump ended up doing so well that they had to resort to the most blatant last resort option of a huge dump of fake ballots. They knew it was risky and that people would likely notice, but they had no choice if they wanted to "win". Because they were so blatant countless people are aware of their fraud, and now they're desperately trying to censor anything info about it.