Hi,
There is an option called "Vendor default menu" which allow to define the menu which will be used for the vendor pages.
It allow you to define one single time the menu in order to have something consistent in your website.
Because the vendor modules just have links to vendor pages, with that setting an option was not needed.
Please, try to not criticism with such hard words before having the information and for something which is not just comparable.
Regards,
Jerome - Obsidev.com
HikaMarket & HikaSerial developer / HikaShop core dev team.
Also helping the HikaShop support team when having some time or couldn't sleep.
By the way, do not send me private message, use the "contact us" form instead.