I think that the open source systems being behind is sort of the point, they are the baseline. A paid proprietary system must be better than this. An example.

If you want me to pay for your compiler it must be that much better than the compiler I can get for free that allows me much more freedom of agency in how I use it, if it is not I am going to use the free compiler. repeat for operating systems, word processors, databases and now LLM's