Wild swings of hashing power of a pool is an indicator of a pool being heavily hopped and a huge red flag for any ethical miner.
Oh, don't worry. We ethical miners have seen the huge red flag and are hopping on Mt Red. That huge swing in hashing power has led to 6 blocks in the last 24 hours. Again, compare to the anti-hopping polmine who hasn't solved a block now in 5 days (corresponding with their full implementation of anti-hopping measures). It's all coincidence, of course.
But if hashing power = work done then the Samuel Goldwyn quote seems apropos:
"The harder I work, the luckier I get"