Because if a trademark gets genericised then the company can have trouble enforcing their trademark. Like how in a lot of countries every brand of vacuum clea

Because if a trademark gets genericised then the company can have trouble enforcing their trademark. Like how in a lot of countries every brand of vacuum cleaner is a "hoover", or any brand of permanent marker is a "sharpie", etc. https://en.wikipedia.org/wiki/Generic_trademark https://en.wikipedia.org/wiki/Generic_trademark