How Will be Switch 2 Performance Wise?

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Actually, if you watch the DF video in its entirely, they cover multiple ways in which it is superior to PS4.
For hybrid device that has to work in a handheld form factor, its quite a capable piece of hardware.

As for why no "home" edition, there may be one later down the road potentially, but perhaps there simply isn't sufficient demand for one to justify the development.
They certainly don't "hate gamers", they're no different than any other company in that they exist to make money.