There are all sorts of businesses, there are big picture VC-fundable businesses that exit via IPOs and there are lifestyle businesses that exit via acquisitions or turn into family businesses.
For AI wrapper apps the model seems to be to exit via an early sale to someone less hands-on with tech, who wants to run a business at what they see is the cutting edge but cannot get it off the ground. It will work until there are buyers who feel they can add their marketing skills to the mix, grow MRR and make a bigger exit to another buyer down the line.
Simple Notification Service?