i don't believe this is accurate, wasn't the one time i revived a salvage vehicle (that was already mine) about 10 years ago.
once it's reported salvage by insurance, the DMV kills the registration as the assumption is that it's going to a junk yard. even if you have time left on the registration at the time of salvage declaration, that registration is void once reported, so reviving the title doesn't accrue penalty fees like failing to pay yearly registration does.
all of the "insurance is going to do blah blah blah" posts are highly dependent on the particular insurance company. yours was the first post that mentioned anything so i quoted, not picking on or anything.
in the afore mentioned vehicle i revived, the company that insured it pre-total insured it without issue or question as to the title status AFTER resurrection as well. i was at fault, and didn'tkeep it long enough after to be hit by anyone else to see if the "the other company doesn't have to pay" claim is accurate. seems suspicious to me but the state has been given away to corporations so maybe it is.