Attempting it and failing doesn't mean he didn't attempt it. He actively tried to stop the results being certified, he tried to get people to fraudulently invent votes for him. We have the Trump–Raffensperger call on tape, the evidence is right there, it's an indisputable fact by anyone who cares about reality.

And no, I wouldn't be wrong, because it's a fact he did try to do that, and even if they did—for whatever reason—decide not to try it again, that doesn't change it being what any reasonable person should assume they will do.