Why showing all the windows option when on a Mac

I used to use Windows 11, I now switched to Mac OS and find the Norton program is less supported than PC's.  First, why does norton 360 shows optional modules that cannot be used on Mac OS?   I truly no longer need online backup but why does it show on the Mac OS program?  Macs are given a lower level of support from Norton and a much lower importance in development.  This is why I will not resubscribe to Norton when It becomes inactive this year.   I have been a Norton user for decades, truly is a shame.