when you follow the entries of Anti-Cen in the forum, you naturally come to the conclusion, that he is trying to throw his fud on bitcoin/Lightning.
It is worth checking out this post
https://bitcointalk.org/index.php?topic=2821298.msg28929402#msg28929402 and then reading DannyHamilton's dissection of it
two posts below before taking anything Anti-Cen says at face value.
Anyway, in an update to my earlier post above it looks like the difficulty retarget hasn't stopped the mempool clearing out. Currently the 8 and 9 satoshi/byte tx are going through.