If that's even remotely true, he could have continued the court case. Presumably he would have won. Facts matter in a court case, and I think Elon's legal team told him that the facts weren't on his side.
Because it’s exceptionally difficult, if not impossible, to obtain accurate bot account metrics without data that is exclusive to the company.
Factor in that Twitter did not have processes in place to accurately count the spam accounts themselves. The truth is that there is not currently an accurate count of Twitter’s fake users.