Yes, many reasons made repeatedly evident by Instagram's past, current actions. We (the collective web of online media small and large) have warned about building on someone else platform for years. Author and journalist, John Battelle wrote an excellent article, Do Not Build Your Brand House On Land You Don’t Own. About the dangers of relying on these platforms back in 2014. But still, people act surprised and outraged whenever the landowner commands attention.
If you are not going to adhere to the agreed-upon terms of the contract with the landowner, expect to be evicted.