You can't just look at tablets as a single entity, you have to look at the advent of technology entering other markets as well.
Let's say that LG (or whomever) released a television that had a high-end graphics processor built in with a decent amount of SSD storage for games that could be controlled by a tablet and an add on keyboard and mouse or controller for input?
Why would you any longer need a PC for gaming?
Cloud (noun, singular): A dynamic arrangement of multiple potential single points of failure, with a user at one end and their data at the other.
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