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Professionally, sure: It's easy (and correct, I think) to assume that a saw that gets used every day, piling on hours, will do more than $700 worth of damage to its operators over its lifespan -- on average. Even with misfires being expensive (~$400, IIRC), it's still completely sensible to spend the extra money for professional use.

I'm not a professional, though. I may need a table saw for some projects, but the projects I undertake that require a table saw are few and are far between. My use won't wear out the saw in my lifetime.

Usage of a table saw in my own shop will be at least a couple of orders of magnitude less -- averaging perhaps a few hours per year. Furthermore, without an angry boss-man looming over me to maximize production, I can spend as much time as is necessary to optimize every operation in a safety-first fashion.

If we assume that it is just two orders of magnitude of difference, then: Spending an extra $700 for a sawstop-equipped saw is rather unlikely to ever pay for itself in my shop at home.

(Now, that's not to say that I wouldn't want this kind of safety feature in my own shop. The idea of losing even part of a finger forever is much scarier to me than spending an extra $700 one time: After all, I can make more money but I can't grow new fingers. It's just not such a financially-obvious choice as it is for professionally-used saws.)