The problem is that taking over gyms like that is useless. After the first one is evicted you'll hit the coin limit and the rest won't earn anything. There's

The problem is that taking over gyms like that is useless. After the first one is evicted you'll hit the coin limit and the rest won't earn anything. There's no point in taking over multiple gyms unless you expect to be kicked out quickly or you can spread them out and some of them are in remote enough areas to last a day or more before getting kicked out.