I hope it's on the way, but I don't think the Pioneer Na is yet a sign of this revolution. This detailed review didn't leave me in a hurry to go get one, anyway:
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It seems that $15 per kWh of storage should be achievable with them. At this price, it's trivial to install enough grid-scale storage to completely move off fossil fuels in more southern areas.
There are several factors to be considered: the actual risk of older and newer systems, the impact, how to mitigate a fire and avoid the worst consequences, and weighing against the alternatives. Especially the latter is somehow always absent in denialist narratives. However, when the alternative is basically heating the planet into a dystopian hellscape, we may accept some negatives of any kind of technology that doesn't put our whole existence at risk.
We need to be real about the downsides yes, but let's also be real and accept we don't have any choice but push forward.
Here is my 1 minute AI powered 'research' btw:
"The fire risk for battery plant storage is not a single, universally agreed-upon percentage, but available data suggests a low and decreasing risk, especially for properly maintained and installed systems. For example, one study found the 2023 risk for home battery systems to be \(0.0049\%\), while another source reports a \(97\%\) drop in large-scale system failures between 2018 and 2023. The risk is influenced by factors like manufacturing quality, installation, and maintenance."
Doesn't seem all that alarming yet.