> Why should they have to continue paying for Photoshop as a service if they're happy with the current version?
Ultimately - because the person who owns the rights for the software wants to keep charging them and since it's their software they decide what is charged for it, end of story.
If it's not a good deal for you, go somewhere else. There's no point arguing about prices beyond that. There's no 'should' in prices - only what people want to charge and what people want to pay.
Right, they pay more because the company wills it and people (I think) are more receptive to subscribitions. This is what the author of the article is complaining about and the reason consumer advocacy groups exist.
Ultimately - because the person who owns the rights for the software wants to keep charging them and since it's their software they decide what is charged for it, end of story.
If it's not a good deal for you, go somewhere else. There's no point arguing about prices beyond that. There's no 'should' in prices - only what people want to charge and what people want to pay.