The problem is that Microsoft wants to pay that for a permanent “never maintain in a way that breaks caption decoding in any default behaviour we use” with that one time payment.
Its a quick fix on Microsofts end to change a quick flag in ffmpeg. It’s also quick on their end to maintain a fork that only changes the default. One time payments for maintenance make open source projects like ffmpeg subject to fail.
These cameras are now recording lawn signs as well now, which tends to be a bit more of a broad array of intelligence.