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

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 https://en.wikipedia.org/wiki/Dielectric_heating