If there were such things as false flags I might believe this was an attempt by people behind the scenes to end anonymous internet postings.
Don't be surprised if in coming days we start hearing and reading about 'the dangers of anonymous internet posts'.
Who knows. The plan may have been in the works:
Reddit and the Struggle to Detoxify the Internet
How do we fix life online without limiting free speech?
https://www.newyorker.com/magazine/2018/03/19/reddit-and-the-struggle-to-detoxify-the-internet
“Self-Dialogue” = Snowflake/Antifa sort in my thoughts.
A "poster" should be fairly easy to track down, at least the source location of the post. In any case gives more clues to authority on sophistication.
The poster says does not want kill . . . yet the first two packages were left on doorsteps, the third near a doorstep. The fourth bomb included a wiretrip.
I am not buying it yet. will see. Signs with .AMA . . . ??? Austin ??? Anonymous ???