I tend to agree with the sentiment, but when you have Red-Hat and Microsoft collaborating into bringing all possible IDE features that matters for Java BE development into VSCode, that really hurts into JetBrains pocket.
They are turning VSCode into a first class experience when coding mainframe style across OpenShift, IBM Cloud and Azure.
That's a very fair point to make, but as a consumer, that's probably a good thing - having a healthy competition in the industry, it seems that even the likes of Eclipse are attempting to branch out somewhat: https://theia-ide.org/
The next decade in tooling will hopefully be promising!
They are turning VSCode into a first class experience when coding mainframe style across OpenShift, IBM Cloud and Azure.