There are not PEs signing software changes for ancillary equipment in consumer vehicles.
ETA: Restate your conspiracy theory in the hypothetical case that they had used `tar | curl` instead of the intermediate archive file. Does it still seem problematic?
"Ancillary" is quite a term for crash reporting after a crash. That is, for a system responding as designed to a collision which disabled the vehicle.
I'm not going to argue with someone who throws gratuitous insults. Rejoin me outside the gutter and we'll continue, if you like. But the answer to your question is trivially yes, that is as professionally indictable, as might by now have been clarified had you sought conversation rather than - well, I suppose, rather than whatever this slander by you was meant to be. One hopes we'll see no more of it.