The time SUSE, the German Linux company, banned mentioning Jewish holidays
youtube.com
youtube.com
I suggest: because you do not take your bias into account? Hardly anyone outside of American culture has heard of Mormonism, let alone their symbols.
The mascot is called Geeko (the gecko). It's simply a pun and its origin has nothing to do with what you said. I notice you could have done this verification yourself, but you chose not to.
If you really think this limo logo is due to Mormonism, let us see your evidence.