Even in that case, using tmpfs on /tmp sounds like band aid. If there are applications that suffer performance because stuff it puts in /tmp , then change those

Even in that case, using tmpfs on /tmp sounds like band aid. If there are applications that suffer performance because stuff it puts in /tmp , then change those applications - possibly by using an application specific tmpfs , or a new system wide tmpfs that doesn't overload something as ubiquitous /tmp