Is this needed in a modern car, or does it make driving said care more pleasurable, (or, for that matter, safe?) No, in call cases. But, he takes a particular pleasure about taking his vehicle into the dealer (free, once a year), and at 75,000 miles being told that his brakes look like they've got 10,000 miles on them.
So, if you read the advice on SSDs in this (ridiculous to some) vein, then It's a fun read.