Is it "their" software? Sure, if it meets their needs. What if the AI changes? Who cares, I already have the software. All the what ifs are solved by taking the current code, stuffing into into any AI you like today, and getting the new version.
As a user, this all sounds like a great deal. Devs can continue wringing their hands over code quality and long term support and architecture and preferred framework, meanwhile the user who had an itch got it scratched and didn't need nor care about any of those things.