Well, then that/these person(s) have deep pockets I guess. I wonder who could think that this is a good investment at all.
Besides, wasn't there a pretty cheap way to spam with some metainformations? Though when this attack really is so expensive... dunno. Doesn't sound smart in any way.
Well there was some big institution behind it that is clear, maybe some jealous bank sponsored it? Who knows.
It looks like it's over, the TX/S shrunk to half since when I checked last time a few hours ago, and the unconfirmed ones as well.
And now the mempool is starting to shrink again back to normal levels.
People need to get used to these stuffs, it will happen many more times, and we cant let this shit destroy our community.