The mechanism should be expanded and include discarding all votes if the witness is not online for... I don't know... 18 months, maybe?

At least that would clean up in the witnesses.

And if people are not around, but have autovoting, they appear active and still count with their votes, right?

!BBH !ALIVE !HEARTBEAT !GLYPH !SLOTH !INDEED !HOPE !PEPE !HBIT !WEIRD