We will never get rid of cheats, that’s for sure.
But software companies could make it so hard for them that it is unprofitable for normal people to cheat.
In reality, there are not many people who can develop cheats from scratch.
On forums and IRC/Discord, crucial knowledge is shared about how to bypass anti-debug and other “tricks” you need to know.
Sometimes it is cheaper and easier to buy a cheat from a competitor and disassemble it to get this information. From my experience, this is very popular in China. 
For Overwatch, this information is freely available for a long time.