Yes and no. Remember that rich kids could always hire ghost writers. ChatGPT made that available to the masses, but that particular problem goes back centuries.

What we have seen is that the curriculum is often decided by a distant committee who actually doesn’t understand life on the ground. In reality, there are easy ways for teachers to undercut the utility of ChatGPT, if they have the freedom to make changes. But that depends on teachers having control and the time to make changes to how they teach.