Are there other reasons to not remove the sealant from a granite kitchen counter?

My in-laws have a granite countertop in their new kitchen. Normally, granite is quite heat-resistant, but they found out the hard way that the resin "sealant" that coats it to make it shiny is not. From my perspective, one of the reasons to have a granite countertop is so that you can put pots and pans straight from the oven or stove directly on it, so this is undesireable.

I’ve done some online reading on granite sealers, and as far as I can tell they’re applied for two reasons: (1) to make the granite extra-shiny, and (2) to fill in any natural roughness in the stone that would provide a surface that could stain. However, this granite is a deep mottled reddish-brown, so it’s hard for me to regard reason (2) as valid; how would you even see a stain?

Given that, are there other drawbacks to stripping the sealant off the countertops that I might not be anticipating?

(Posting here to ask about culinary drawbacks; for questions about the difficulty of removal and drawbacks for long-term maintenance I’ll ask on Home Improvement)