RAW is exactly what the camera records: every last drop of information

Not... exactly. ISO is applied as the data is read off the sensor. On 'ISOless' sensors (ISO a 'flat' gamma multiplier) this is a reason to not boost ISO (and either go full manual or watch status carefully as the auto and semiauto settings all use ISO as an input). Not saying manual is better, just that in this situation it’s often easier than psyching out what the automated system will do.

That said, the approach is to exposure differs between raw and SOOC JPEGs; you give up about a stop of capture-able dynamic scene range for JPEG.

Yes, you can batch-process them or use presets that quickly crank out usable JPEG versions — but the reality is that you’ll likely spend forever tinkering with each and every RAW file.

So… you can batch process to create JPEGs as good as the ones that come out of the camera — or better, but you have the option to fix things on the ones that have issues rather than just delete.

But you do you, not trying to persuade anyone to do their hobby differently.