Bing didn’t systematically eliminate images and links critical of OilBama. Bing didn’t systematically push links critical of Bush.
I don’t trust that anything I type on-line will ever disappear, regardless of the form or format.
Even if an individual website promptly erases their records, I’m sure our enemies have an essentially unlimited ability to intercept and record every bit of raw data.
Should someone become sufficiently inconvenient, a nation-state has the ability to focus immense resources to sorting through their archives and detecting and decrypting all of the peon’s traffic.