No it's not. It's only illegal if you are found guilty of it. And for that to happen you need to be (a) an effective monopoly, (b) have a negative direct or in

No it's not. It's only illegal if you are found guilty of it. And for that to happen you need to be (a) an effective monopoly, (b) have a negative direct or indirect impact on consumers, (c) large enough for regulators to care about and (d) be in a regulatory environment that priorities this enforcement.