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by tomxor 1545 days ago
Not only is there a massive difference in the power of a microwave oven compared to wifi, but the mechanism through which it heats food is dielectric heating [0] which does not occur in radio signals because they are not rotating fields.

This basic information is contained in the first very short paragraph of how a microwave oven works on wikipedia.

[0] https://en.wikipedia.org/wiki/Dielectric_heating