> Not being a scientist myself, I'm struggling to understand the impact of these changes being made. Is it just a matter of increasing the precision of base uni

> Not being a scientist myself, I'm struggling to understand the impact of these changes being made. Is it just a matter of increasing the precision of base units? My understanding is the big benefit is that if you are a scientist, you can now generate your own SI units accurately in your lab. Mass has been the trickiest one for a while, as noted in TFA. The insistence of spelling metre incorrectly is just a minor inconvenience in comparison.