A cake is a very good test of an oven: if it browns too much on one side and not on the other, it's not your fault - you need to have your oven checked. ↗
In 35 years of being in the media, I've had all this mud flung at me many, many times. It's not the first time. It's nothing unusual. I've been through it all before and the best way to deal with it is not to read them. ↗