If you are speaking of the very early years of OS X you may be right. But if we are speaking of the 90s the only thing that was “junk”, was Windows. OK, it was not complete junk, but anything you did on a Windows computer was working less well than the comparable thing on Mac OS. Windows had the edge only with NT4, IIRC this was around the year 2000. Then —and maybe still in the subsequent early days of OS X— it really was better than Mac OS.
Windows 95 was had preemptive multitasking in 1995, Mac OS did not.
Windows NT4 had protected memory AND preemptive multitasking in 1996 and in terms of stability and advanced features, it absolutely wiped the floor with Mac OS.
By the mid-90's Mac OS was outdated junk.