I imagine there will be a niche but high-paid market integrating these GNUHealth products with existing commercial systems, and ongoing opportunities in supporting health centers using the software with planning, upgrades, and lots of phone & email support.
That is also possible and even usual with open source. The difference is you can choose the provider for each of those things, they can be different, you are not locked in.
Anybody who tells you they can predict the future is shoveling shit in his mouth then smiling brown teeth at the audience. 10 years from now there's a real possibility of "AI" being remembered as that "stuff that almost got to a single 9 reliability but stopped there".