IDEs need to be constantly updated to keep up with language / framework changes. Your subscription pays for that continued work.
If you really want, you can buy the 1 year and cancel after it's up - you get a perpetual license for the version you're on at the time it expires, but I really don't get why that would be a good thing.
Surveillance is the word you're looking for. Take all those NSA pipelines and run them through an AI and BAM, you've got your "terrorists".
AI will be downfall of our technological society, but not because of killer robots and malevolent systems. It's going to make everyone completely and utterly incompetent at everything in life.