It's really not analogous to seatbelts.

It's really simple to use a table saw safely: don't ever get physically close enough (by far!) for the spinning blade to cut you, or stand where it can fling something at you.

Then even if there's no riving knife and blade guard it's not going to ruin your day.

This means that you'll sometimes need to build a small jig to push wood into the saw, but usually you can just use a long stick to push the wood into it.

Every single table saw accident video you'll see is people who've clearly become way too complacent with them, or are trying to save themselves a few minutes of setup time.