june/july 2016 mempool bump = blockstream wanting to cause drama to make CSV look like its needed

october 2016+ mempool longer bump = blockstream wanting to cause drama to make segwit look like its needed

april 2017+ mempool bump = blockstream wanting to cause drama to make UASF look like its needed

all mempool drama occurs when blockstream need to make people react and get frustrated that old code doesnt work.

..

meanwhile other implementations with no deadlines no threats no mallice no Nuke pool blackmails, simply plod along and have no reason to cause mempool bloat at specific times.

the specific timing of the mempool bloat is very revealing