only a problem if you need to update
We showed our lawyers that we were using the FOSS version. But, they didn't care and demanded we remove their product (despite being FOSS) immediately on all our systems.
That was a crazy crazy week.
You can say that's a problem with our lawyers. But still, who wants to go to court even if you know that you'll win eventually? It's expensive and incredibly annoying as an engineer to have to deal with lawyers.
So not just a license change
It's just an arbitrary number